How to Protect Bone Health: Nutrition, Exercise & Risk

Older adult doing resistance exercise beside a balanced meal as part of a bone-health routine

 How to Protect Bone Health: Nutrition, Exercise and Osteoporosis Risk

Bone health is often reduced to one simple message: eat enough calcium.

Calcium is important, but that explanation leaves out much of what determines whether an older adult can maintain strong bones and avoid a fracture.

Bones are living tissue. They continually undergo remodeling, while muscles, balance, hormones, nutrition, medications and medical conditions all influence how the skeleton changes over time. Physical activity also matters because bones respond to mechanical loading, while stronger muscles and better balance can help reduce falls.

A useful bone-health strategy therefore has several parts rather than one “bone-strengthening” food or supplement.

The practical question is not simply “How can I make my bones stronger?” It is:

Am I giving my bones and muscles the nutrition, physical activity and protection they need—and do I have any risk factors that require medical assessment?

Why bone health changes with age

Bone is not an inert material. The skeleton is continuously remodeled as older bone is removed and new bone is formed.

During childhood and adolescence, bone formation is especially important because the skeleton is growing and building bone mass. By early adulthood, most people have reached their peak bone mass.

Later in life, the balance between bone formation and breakdown can change. The rate of bone loss varies considerably between individuals.

Age is only one factor.

Genetics, hormonal changes, physical activity, nutrition, smoking, alcohol use, body weight, certain medicines and several medical conditions can influence bone density and fracture risk.

This explains why two people of the same age can have very different bone health.

For many women, the menopause transition is particularly important because declining estrogen can accelerate bone loss. Men can also develop osteoporosis, particularly with advancing age or certain medical conditions and medications.

The goal, therefore, is not to prevent every change associated with aging. It is to identify the factors that can be improved and recognize situations in which medical evaluation is warranted.

Start with nutrition, but don't reduce bone health to one nutrient

Bones require minerals and a protein-based framework, but the body needs an overall adequate diet rather than a single “superfood.”

Calcium

Calcium is a major mineral component of bone. The body cannot manufacture calcium, so it must come from food or, when appropriate, supplements.

NIH guidance gives different calcium requirements according to age and sex. For example, adults aged 19–50 generally need 1,000 mg per day; women over 50 and adults over 70 need 1,200 mg per day under the U.S. reference values. Individual nutritional requirements can vary, and local dietary guidance may differ.

Food is often a practical way to obtain calcium.

Sources can include:

  • Milk, yogurt and cheese

  • Calcium-set tofu

  • Calcium-fortified plant beverages

  • Some leafy green vegetables

  • Small fish eaten with their bones

  • Other calcium-fortified foods

The important point is not to identify one “best” calcium food. It is to build a diet that provides enough calcium consistently.

Vitamin D

Vitamin D helps the body absorb calcium and contributes to normal bone and muscle function.

NIH lists 600 IU (15 micrograms) per day for most adults through age 70 and 800 IU (20 micrograms) for adults over 70 as its general recommended intake values. Individual needs can differ, particularly when deficiency or a medical condition is present.

Sunlight can contribute to vitamin D production, but deliberately seeking prolonged unprotected sun exposure is not a universal solution. Vitamin D production varies with factors such as skin pigmentation, age, season, latitude, clothing and sunscreen use.

If deficiency is suspected, a healthcare professional can determine whether dietary changes, testing or supplementation is appropriate.

Protein

Protein is sometimes overlooked in discussions about osteoporosis.

Bone contains a protein-based structural framework, while adequate protein is also important for maintaining muscle. Muscle strength becomes increasingly relevant with age because weakness can contribute to reduced mobility and falls.

Useful protein sources include:

  • Eggs

  • Dairy foods

  • Fish

  • Lean meat and poultry

  • Beans and lentils

  • Soy foods

  • Nuts and seeds

People with kidney disease or other conditions that affect protein requirements should obtain individualized dietary advice rather than simply increasing protein intake.

What about magnesium, vitamin K and other nutrients?

A varied diet supplies many nutrients involved in normal body function and bone metabolism.

However, this does not mean that everyone should take a collection of bone-health supplements.

There is an important difference between:

“This nutrient participates in normal physiology”

and

“Taking extra amounts of this nutrient prevents osteoporosis.”

The first statement may be well established while the second may not be.

That distinction helps prevent a common mistake: turning a nutritious food or nutrient into a treatment claim.

Exercise affects both bones and the muscles that protect them

Exercise is one of the most useful non-drug components of a bone-health strategy.

But different forms of exercise serve different purposes.

Weight-bearing activity

Weight-bearing activities place mechanical forces through the skeleton.

Depending on age, fitness and health status, examples can include:

  • Brisk walking

  • Stair climbing

  • Dancing

  • Hiking

  • Jogging

  • Some recreational sports

The appropriate intensity depends on the individual.

Walking can be valuable, particularly for people who are currently inactive, but walking should not automatically be presented as the complete exercise program for someone concerned about osteoporosis.

Resistance training

Resistance exercise challenges muscles against an external load.

Examples include:

  • Resistance bands

  • Free weights

  • Weight machines

  • Appropriately selected body-weight exercises

Resistance training can help maintain or improve muscle strength and also provides mechanical loading to the skeleton.

This becomes particularly useful as people age because maintaining strength can make everyday movement easier and may contribute to fall prevention. NIAMS recommends combining weight-bearing, resistance and balance activities rather than relying on one form of exercise alone.

Balance training

A strong skeleton cannot completely protect someone from a fracture if a fall occurs.

Balance training can therefore be an important part of bone-fracture prevention, especially for older adults.

Appropriate activities may include:

  • Tai chi

  • Supported balance exercises

  • Controlled step exercises

  • Functional strength and balance practice

Exercises should be performed in a safe environment, with support when necessary.

If you already have osteoporosis, don't copy a generic exercise routine

Exercise remains valuable after osteoporosis is diagnosed, but the program may need modification.

Someone with low bone density is not automatically in the same situation as someone who has already experienced vertebral or hip fractures.

A person with osteoporosis, previous fragility fractures, significant balance problems or other skeletal limitations may benefit from an individualized exercise plan developed with a healthcare professional or appropriately qualified exercise specialist.

Some movements that are reasonable for a healthy adult may require modification for someone with particular fracture risks.

The correct message is therefore not:

“Avoid exercise if your bones are weak.”

It is:

“Use the right exercise for your condition and level of fracture risk.”

NIAMS specifically recommends professional guidance when osteoporosis or other physical limitations affect exercise choices.

The risk factors that food cannot fix

A nutritious diet cannot eliminate every cause of osteoporosis.

Some important risk factors include:

Age and hormonal changes

Bone loss generally becomes more important with aging. Menopause can accelerate bone loss in women, while hormonal problems can also affect bone health in both sexes.

Smoking

Smoking is associated with poorer bone health and increased fracture risk. Avoiding tobacco is therefore relevant not only to heart and lung health but also to the skeleton.

Heavy alcohol use

Chronic heavy alcohol consumption is associated with increased osteoporosis and fracture risk.

Low body weight and inadequate nutrition

Being underweight and chronically consuming too little energy or protein can contribute to poor skeletal health.

Extreme dieting is therefore not a sensible strategy for long-term health.

Medicines

Some medicines can increase bone loss or fracture risk.

Long-term glucocorticoid use is a particularly important example. Other medicines may also influence bone or fall risk depending on the drug and the individual.

Do not stop a prescribed medicine because you are worried about osteoporosis.

Instead, ask your doctor or pharmacist:

  • Does this medicine affect bone health?

  • Does the dose or duration increase my risk?

  • Do I need monitoring?

  • Are there preventive measures I should consider?

Medical conditions

Certain endocrine, gastrointestinal, kidney, inflammatory and other conditions can affect bone metabolism, nutrient absorption or fracture risk.

This is one reason why a person with apparently good nutrition can still develop osteoporosis.

Don't let “bone-strengthening foods” distract from the bigger picture

Many foods contain nutrients relevant to bone health.

That does not mean one food prevents osteoporosis.

Sesame seeds, leafy vegetables, dairy foods, tofu, nuts, seeds, fish and legumes can all fit into a nutritious diet. But none should be promoted as a standalone treatment for osteoporosis.

The same principle applies to products marketed as:

  • Bone-strengthening powders

  • Herbal bone formulas

  • Calcium drinks

  • “Natural osteoporosis remedies”

  • High-dose vitamin combinations

A supplement can be appropriate in a particular situation, but “natural” does not automatically mean effective or risk-free.

NCCIH notes that dietary and herbal supplements vary substantially in the amount of scientific evidence available and can interact with medicines or pose risks in certain medical conditions.

If someone has diagnosed osteoporosis, supplements should not be presented as substitutes for evidence-based medical treatment.

More calcium is not automatically better

One of the most persistent bone-health misunderstandings is that if calcium is good, taking large amounts must be better.

That does not follow.

NIH identifies upper intake limits for calcium because excessive intake can cause adverse effects. For adults, the upper limit is 2,500 mg per day for ages 19–50 and 2,000 mg per day for adults over 50, counting food, beverages and supplements together.

Supplementation also deserves special attention because calcium can interact with certain medicines, including levothyroxine and some antibiotics.

Anyone with kidney disease, a history of kidney stones, conditions affecting calcium metabolism, or regular medication use should discuss supplementation with a healthcare professional rather than choosing a high-dose product independently.

Osteoporosis can be present without obvious symptoms

Osteoporosis often develops silently.

A person may feel completely normal until a fracture occurs.

Possible warning signs include:

  • A fracture after a relatively minor fall or injury

  • Unexplained loss of height

  • A stooped posture

  • Sudden or persistent back pain, particularly following minor trauma

  • Repeated fractures

These findings do not prove osteoporosis. Back pain, for example, has many possible causes.

But a low-trauma fracture or other concerning change deserves medical assessment rather than being dismissed as “normal aging.”

When is a bone-density test useful?

A bone mineral density test, usually performed using DXA, measures the mineral density of specific bones, commonly the hip and spine.

DXA can help diagnose osteoporosis, identify low bone density and contribute to fracture-risk assessment. It can also be used to monitor osteoporosis treatment.

Not everyone needs a DXA scan at the same age.

Whether testing is appropriate depends on factors such as:

  • Age

  • Sex and menopausal status

  • Previous fractures

  • Medication exposure

  • Medical conditions

  • Other osteoporosis risk factors

Screening recommendations vary between countries and professional organizations.

For example, the U.S. Preventive Services Task Force recommends screening women aged 65 years or older and recommends risk assessment to determine whether screening is appropriate for postmenopausal women younger than 65 who are at increased risk. Local recommendations may differ.

A healthcare professional can interpret your individual risk rather than relying on age alone.

Bone density is important, but fracture risk is the outcome that matters

A person may focus entirely on a DXA number, but bone health is more complicated than one measurement.

Fracture risk is influenced by bone density as well as age, previous fractures, medications, falls, medical conditions and other factors.

That is why two people with similar bone-density measurements may not have identical clinical risk.

This also explains why “raising bone density” should not become the only goal.

Maintaining muscle, improving balance, preventing falls, eating adequately and treating osteoporosis when necessary are all part of reducing the chance of a serious fracture.

A practical bone-health plan

A useful long-term approach can be divided into four areas.

1. Build a reliable nutrition foundation

Regularly eat a varied diet containing appropriate sources of:

  • Calcium

  • Protein

  • Vitamin D

  • Fruits and vegetables

  • Whole grains and legumes

  • Other nutrients supplied by a balanced diet

Do not rely on one food.

2. Keep the skeleton and muscles active

Aim for regular physical activity appropriate to your age and health.

Where suitable, combine:

  • Weight-bearing activity

  • Resistance training

  • Balance exercises

Adults are generally advised to accumulate at least 150 minutes of moderate-intensity aerobic activity per week, or an equivalent amount of vigorous activity, alongside muscle-strengthening activity on at least two days per week. Individual limitations may require a modified plan.

3. Reduce avoidable risks

Do not smoke.

Avoid heavy alcohol use.

Avoid prolonged inactivity.

Maintain adequate nutrition rather than repeated extreme dieting.

Review long-term medicines with a healthcare professional when appropriate.

4. Know when lifestyle advice is not enough

Seek professional assessment if you have:

  • A fracture after a minor injury

  • Significant or unexplained height loss

  • Persistent back pain after minor trauma

  • A history of osteoporosis

  • Long-term exposure to medicines associated with bone loss

  • A medical condition associated with osteoporosis

  • Multiple risk factors for fracture

  • Concerns about whether you need bone-density testing

Questions worth asking a healthcare professional

A medical appointment becomes more useful when the questions are specific.

Consider asking:

“Do I have risk factors for osteoporosis?”

“Do my medicines affect my bones or my risk of falling?”

“Should I have a bone-density test?”

“Am I getting enough calcium and vitamin D from my diet?”

“Would resistance or weight-bearing exercise be appropriate for me?”

“Do I need an exercise program adapted to my fracture risk?”

“If I have had a low-trauma fracture, should I be evaluated for osteoporosis?”

These questions are more useful than simply asking which supplement is “best for bones.”

Key Takeaways

  • Bone health depends on more than calcium.

  • Adequate nutrition, physical activity, muscle strength and fall prevention work together.

  • Calcium and vitamin D are important, but taking more than needed does not automatically provide greater protection.

  • Protein supports the structural framework of bone and helps maintain muscle.

  • Weight-bearing and resistance exercises provide different but complementary benefits.

  • Balance becomes increasingly important because preventing falls can help prevent fractures.

  • Smoking, heavy alcohol use, low body weight, certain medicines and medical conditions can increase fracture risk.

  • Osteoporosis can exist without obvious symptoms.

  • A fracture after a relatively minor injury can be an important reason to seek assessment.

  • DXA is an important tool for measuring bone density, but fracture risk involves more than one test result.

  • Food and supplements should not be presented as substitutes for medical treatment when osteoporosis requires treatment.

  • The most useful bone-health strategy is a combination of adequate nutrition, appropriate exercise, risk-factor management and timely medical evaluation.

Medical Disclaimer

This article is provided for general educational purposes and is not a diagnosis or individualized medical treatment plan. Calcium, vitamin D, exercise, screening and osteoporosis treatment needs vary between individuals. People with osteoporosis, previous fractures, chronic diseases, kidney problems, medication-related risks or other health concerns should seek advice from a qualified healthcare professional before making major changes to supplements or exercise. Seek prompt medical attention for a suspected fracture or significant injury.

Related Articles: 

Regular physical activity is an important part of maintaining bone strength. Learn more about choosing between walking and jogging for fitness.

Some health conditions can affect mobility and bone health, so nutrition and activity need to be considered together. Read our guide to a rheumatoid arthritis diet and natural approaches.

Bone loss can become an important consideration around menopause. For related information, see our guide to menopause and osteoarthritis.

External Resources: 

For evidence-based information about bone health, osteoporosis, risk factors, and prevention, see the NIH National Institute of Arthritis and Musculoskeletal and Skin Diseases guide to bone health and osteoporosis.

For recommended calcium and vitamin D intake and their roles in maintaining healthy bones, see the NIH guide to calcium and vitamin D for bone health.

Frequent Urination: Causes, Patterns and When to Seek Care

Adult recording urinary frequency and fluid intake for bladder health

Frequent Urination: What Your Urinary Pattern May Mean

Needing to urinate more often than usual can be caused by something temporary, such as drinking more fluids or consuming more caffeine. But a persistent change in urination can also occur with a urinary tract infection, diabetes, prostate enlargement, bladder problems, certain medicines and other health conditions.

The important point is that frequent urination is a symptom, not a diagnosis.

One of the most useful ways to understand the problem is to look beyond the number of bathroom visits. Ask: How much urine am I passing each time? Do I have urgency or pain? Does it happen mainly at night? Has my urine flow changed? Am I unusually thirsty?

Those details can help distinguish very different situations.

Frequent urination does not always mean you are producing too much urine

Two problems are commonly confused.

Urinary frequency means needing to urinate more often than is usual for you.

Polyuria means producing an unusually large total amount of urine.

These are not the same thing.

A person with urinary frequency may visit the bathroom many times but pass only a small amount each time. This can happen when the bladder feels urgent or irritated.

Another person may produce large amounts of urine because of high fluid intake, certain medicines or a condition affecting blood glucose or the body's water balance.

MedlinePlus specifically distinguishes excessive urine production from simply needing to urinate often.

This distinction is useful because the two patterns can lead healthcare professionals to consider different causes.

The pattern of symptoms can be more informative than the number of visits

There is no single bathroom-visit number that defines a problem for every adult. Your usual pattern can vary with fluid intake, caffeine, alcohol, medicines, pregnancy, age, sleep and health conditions.

Instead of focusing only on frequency, consider the following patterns.

Frequent trips with only small amounts of urine

This pattern may occur when the bladder is irritated or when there is a strong sensation of urgency.

A bladder infection can cause frequent or intense urges even when only a small amount of urine is passed. Burning during urination and lower-abdominal discomfort may occur as well.

Other bladder conditions can also produce frequency and urgency, so these symptoms do not automatically prove that an infection is present.

Frequent urination with unusually large amounts of urine

If each visit produces a substantial amount of urine, the issue may involve increased urine production rather than simply a sensitive or irritated bladder.

High fluid intake, diuretic medicines and some medical conditions can increase urine production. Diabetes is one important possibility when increased urination occurs together with unusual thirst or other symptoms of high blood glucose.

Frequent urination with burning or pain

Burning during urination raises the possibility of a urinary infection or another condition affecting the urinary tract.

A bladder infection may cause burning, frequent urges, lower-abdominal discomfort and cloudy, bloody or strong-smelling urine.

Painful urination should not automatically be treated with a home remedy, particularly when symptoms persist or other warning signs develop.

Frequent urination with weak urine flow

A weak, interrupted or difficult-to-start stream suggests a different type of problem.

In men, an enlarged prostate can contribute to difficulty starting, weak flow, frequent urination, nighttime urination and incomplete bladder emptying.

These symptoms are not proof of prostate enlargement, however. Other urinary problems can produce similar symptoms.

Frequent urination with strong urgency

Some people experience a sudden, difficult-to-delay need to urinate. This is called urinary urgency.

Urgency can occur with infections, bladder disorders and other conditions. Some people also have urgency accompanied by urine leakage.

Overactive bladder is one condition in which urgency, frequency and sometimes urgency-related leakage or nighttime urination can occur.

Frequent urination mainly at night

Repeatedly waking to urinate is called nocturia.

One nighttime bathroom visit does not automatically indicate disease. Evening fluids, caffeine, alcohol and sleep disruption can affect nighttime urination.

However, persistent nocturia can also occur with urinary, metabolic, prostate, kidney or other health problems. If it repeatedly disrupts sleep, it is reasonable to discuss the pattern with a healthcare professional rather than simply accepting it as an unavoidable part of aging.

Common causes of frequent urination

1. Increased fluid intake

The simplest explanation may be that you are drinking substantially more than usual.

This can happen during hot weather, exercise, travel or a deliberate attempt to increase water consumption.

More water is not always better. Forcing large quantities of fluid in an attempt to “flush” the urinary system can itself increase urination and may be inappropriate for some people.

At the same time, deliberately restricting fluids because you dislike frequent bathroom visits can cause dehydration.

The appropriate amount of fluid depends on the individual, including whether kidney, heart, liver or other conditions affect fluid recommendations.

2. Caffeine and alcohol

Coffee, tea, cola, energy drinks and other caffeinated beverages can affect urinary frequency or urgency in some people.

Alcohol can also increase urine production.

If you notice a consistent relationship between a particular drink and your symptoms, reducing that exposure may be a reasonable experiment.

There is no need to eliminate every potentially irritating food or drink automatically. The goal is to identify genuine triggers rather than create unnecessary dietary restrictions.

3. Urinary tract infection

A urinary tract infection, particularly a bladder infection, is an important cause of urinary frequency.

Possible symptoms include:

  • burning during urination

  • frequent or intense urges

  • passing only small amounts

  • lower-abdominal discomfort

  • cloudy urine

  • blood in the urine

  • unusually strong-smelling urine

Bladder infections are most often caused by bacteria. When infection is suspected, appropriate medical assessment is important because an untreated bladder infection can spread to the kidneys.

Fever, chills, nausea, vomiting or pain in the back or side can be signs of kidney involvement and warrant prompt medical attention.

4. Diabetes and high blood glucose

Frequent urination can be a symptom of diabetes.

The combination becomes more important when increased urination occurs with unusual thirst, increased hunger, fatigue, blurred vision, unexplained weight loss or recurrent infections.

NIDDK identifies increased urination and thirst among recognized symptoms of diabetes, although many people with type 2 diabetes have few or no obvious symptoms.

If the pattern is persistent or accompanied by marked thirst, discussing blood-glucose testing with a healthcare professional is more useful than assuming that the problem is simply caused by drinking too much water.

5. Medicines

Some medicines can alter urination.

Diuretics, often called water pills, intentionally increase urine production. Other medicines can affect bladder function or urinary flow.

If frequent urination begins after starting a medicine, changing a dose or adding another medicine, tell the prescribing healthcare professional.

Do not stop an important prescription on your own simply because you think it is causing the symptom.

6. Prostate-related urinary symptoms

In men, prostate enlargement can affect the flow of urine from the bladder.

Possible symptoms include:

  • difficulty starting

  • weak or interrupted flow

  • frequent urination

  • waking at night to urinate

  • dribbling after urination

  • feeling that the bladder has not emptied completely

An enlarged prostate is not the only possible explanation for these symptoms, so persistent changes in urinary flow deserve assessment rather than being dismissed as normal aging.

7. Bladder and pelvic conditions

Frequency and urgency can also occur with bladder-control problems and other lower urinary tract conditions.

Constipation, neurological problems, pregnancy and certain pelvic conditions can affect bladder symptoms.

This is one reason it is difficult to identify a cause from frequency alone.

Why the amount of urine matters

If frequent urination is bothering you, pay attention to whether you are passing small, moderate or large amounts.

You do not necessarily need to measure every urination indefinitely. A short bladder diary can be useful.

For two or three days, consider recording:

  • when you drink

  • approximately how much you drink

  • what you drink

  • when you urinate

  • approximately how much urine you pass

  • whether you had urgency

  • whether there was leakage

  • whether you woke during the night

  • burning or pain

  • recent changes in medicines

NIDDK describes bladder diaries as a way to record fluid intake, urination time and urine amount and notes that a two- to three-day record can help a healthcare professional identify patterns.

This can be much more informative than simply saying, “I go to the bathroom a lot.”

What you can reasonably try at home

If there are no warning signs and you have identified an obvious lifestyle trigger, modest changes may be reasonable.

Keep hydration balanced

Drink according to thirst, activity, weather and your healthcare professional's advice.

Do not force excessive amounts of water simply because you believe more water is always healthier.

If you have been given a fluid restriction because of a medical condition, follow that individualized advice instead.

Review caffeine

If coffee, tea, cola or energy drinks repeatedly worsen urgency or frequency, try reducing them and observe whether the pattern changes.

A short period of observation is more useful than assuming caffeine is always the cause.

Consider the timing of evening fluids

If nighttime urination is the main problem, review the amount and timing of drinks later in the day.

However, do not severely restrict fluids simply to avoid getting up at night.

Do not routinely hold urine for long periods

Regularly delaying urination for long periods is not a useful general strategy.

NIDDK advises paying attention to bladder signals and allowing enough time to empty the bladder rather than routinely rushing or holding urine for too long.

Address constipation if present

Constipation can contribute to urinary symptoms in some people.

If constipation is part of the problem, improving bowel regularity through appropriate dietary fiber, fluids and physical activity may be useful.

Persistent constipation or urinary symptoms still deserve evaluation when they do not improve.

What not to do

Do not assume frequent urination means dehydration

Frequent urination can occur despite adequate hydration and can have many causes.

Do not deliberately stop drinking water

Fluid restriction can lead to dehydration and is not an appropriate universal treatment.

Do not assume burning is harmless

Painful urination can occur with infection and other urinary conditions.

Do not treat persistent symptoms only with herbs

An herbal drink may be part of someone's traditional wellness practice, but that does not establish that it can treat the cause of urinary frequency.

Do not stop prescribed medicines without advice

If a medicine may be contributing to the problem, discuss the issue with the prescriber.

What about herbal or “natural” remedies?

Herbs are sometimes promoted for urinary health, bladder support or kidney cleansing.

The evidence needs to be considered product by product.

A plant's traditional use is not the same as proof that it treats urinary frequency. Even when laboratory research suggests a possible biological mechanism, that does not establish that the preparation improves symptoms in people.

The safety question is equally important. Herbal products can vary in preparation, dose and quality, and some can interact with medicines or be inappropriate for people with particular medical conditions.

For unexplained or persistent urinary symptoms, the priority should therefore be identifying the cause.

If someone chooses to use a traditional or herbal product as a complementary wellness practice, it is sensible to discuss the specific product with a qualified healthcare professional—especially when taking prescription medicines or when kidney, liver, heart or other chronic conditions are present.

When should frequent urination be medically evaluated?

Consider arranging an evaluation when the change:

  • has no obvious temporary explanation

  • persists or repeatedly returns

  • interferes with daily activities

  • repeatedly disrupts sleep

  • occurs with burning or pain

  • occurs with unusual thirst

  • is associated with weak or interrupted urine flow

  • is accompanied by incomplete emptying

  • begins after a medication change

  • occurs with blood in the urine

  • is progressively getting worse

NIDDK notes that frequent urination, painful urination, blood in urine and inability to empty the bladder are symptoms that warrant medical attention.

What might a healthcare professional check?

The evaluation depends on the symptom pattern.

A clinician may ask:

  • When did the change begin?

  • How often are you urinating?

  • Are the amounts small or large?

  • Do you have urgency?

  • Is there burning or pain?

  • Are you waking at night?

  • Is there leakage?

  • Has your urine flow changed?

  • How much caffeine, alcohol and other fluid do you consume?

  • Have any medicines recently changed?

  • Do you have unusual thirst?

  • Have you had previous urinary infections or other urinary problems?

Depending on the circumstances, evaluation may include urine testing, blood tests, blood-glucose testing or assessment of bladder emptying. More specialized testing may be appropriate when the initial evaluation does not explain the symptoms.

The purpose is not simply to count bathroom visits. It is to determine why the urinary pattern has changed.

When is urgent medical attention needed?

Some urinary symptoms should not wait for routine evaluation.

Seek prompt medical care if frequent urination occurs with:

  • fever or chills

  • significant back, side or groin pain

  • nausea or vomiting

  • visible blood in the urine

  • severe abdominal or pelvic pain

  • rapidly worsening symptoms

These combinations can indicate infection or another condition requiring timely assessment.

Sudden inability to urinate is an emergency

If you suddenly cannot pass urine despite feeling that your bladder is full, seek emergency medical treatment.

Acute urinary retention can cause severe pain and can become a serious medical problem.

Questions to take to a healthcare professional

If urinary frequency has become persistent, these questions can make the consultation more useful:

  1. Does my symptom pattern suggest increased urine production or a bladder-storage problem?

  2. Should I have a urine test?

  3. Should my blood glucose be checked?

  4. Could any of my medicines be contributing?

  5. Does my urine flow suggest difficulty emptying my bladder?

  6. Should I keep a bladder diary?

  7. If I wake at night to urinate, what could be contributing?

  8. Are there specific drinks or foods worth reducing in my situation?

  9. Do I need further testing if the initial tests are normal?

Key Takeaways

  • Frequent urination is a symptom, not a diagnosis.

  • The most useful first distinction is between urinating frequently and producing unusually large amounts of urine.

  • Burning, urgency and small-volume urination can occur with a bladder infection, while increased urination with marked thirst can occur with diabetes.

  • Weak or interrupted urine flow, difficulty starting and incomplete emptying can point toward a different urinary problem, including prostate-related obstruction in some men.

  • Caffeine, alcohol, high fluid intake and some medicines can influence urinary patterns.

  • A short bladder diary can provide useful information about timing, fluid intake and urine volume.

  • Avoid both excessive fluid intake and unnecessary fluid restriction.

  • Persistent, unexplained or worsening urinary symptoms deserve appropriate medical evaluation.

  • Blood in urine, fever with urinary symptoms, significant back/side pain or sudden inability to urinate should not be ignored.

  • Herbal or “natural” products should not be assumed to treat the underlying cause of urinary frequency.

Medical Disclaimer

This article provides general health information and is not a diagnosis or a substitute for individualized medical care. Frequent urination can have many causes, and the appropriate evaluation depends on your symptoms, age, sex, medicines, medical history and other circumstances. Seek professional medical advice for persistent or unexplained symptoms, and seek urgent care for severe or rapidly worsening symptoms or sudden inability to urinate.

Related Articles: 

Hydration and dietary habits are important parts of urinary health, but frequent urination should not automatically be attributed to a kidney problem. For broader information about diet and kidney health, see our kidney-support diet guide.

Some home remedies are promoted as ways to “clean” or flush the kidneys, but frequent urination has many possible causes and should not be self-treated on the assumption that the kidneys need cleansing. See our article on home remedies marketed for kidney cleansing for additional context.

In men, frequent urination may sometimes occur alongside prostate-related urinary symptoms such as a weak stream, difficulty starting urination or incomplete bladder emptying. Learn more in our article about the relationship between prostate health and urinary symptoms.

External Resources: 

Because frequent or urgent urination can have several different causes, see the MedlinePlus guide to frequent or urgent urination for an overview of possible causes, evaluation and when to contact a healthcare professional.

For evidence-based information about healthy bladder habits, fluid intake, pelvic-floor exercises and changes in urination that warrant medical attention, see the NIDDK guide to the urinary tract and how it works.

Dry Skin: Causes, Care, Moisturizers and When to Seek Help

Person applying moisturizer to dry skin on the hand

Dry Skin: Why It Happens, What Actually Helps, and When to Get It Checked

Dry skin is common, but persistent dryness is not always simply a matter of needing a better moisturizer.

Skin can become dry when it loses too much water and surface oil. The result may be tightness, roughness, scaling, flaking, itching or small cracks. Dry skin is particularly common on the hands, arms, legs and feet, although it can occur almost anywhere.

For many people, the problem is related to everyday factors such as hot or prolonged bathing, frequent washing, dry air, aging or irritating skin-care products. In other cases, persistent dryness may occur alongside eczema, psoriasis, contact dermatitis, medication effects or another medical condition.

That distinction matters.

If the problem is ordinary dryness, simplifying your routine and using an appropriate moisturizer consistently may be enough. If the skin is repeatedly inflamed, intensely itchy, painful, cracked, widespread or unresponsive to reasonable care, adding more cosmetic products may not solve the underlying problem.

What Does “Dry Skin” Actually Mean?

The outer layer of skin helps limit water loss and protects the body from the external environment.

When this protective function is disrupted, more water can escape from the skin surface. The skin may then feel tight or rough and become flaky, itchy or irritated.

This is why dry skin is not simply a problem of “not drinking enough water.”

Water intake is important for overall health, particularly when someone is dehydrated. But the skin's ability to retain water also depends on its outer protective layer, surface lipids, environmental conditions and exposure to irritants.

In practical terms, dry skin often involves a combination of:

  • increased water loss from the skin;

  • reduced surface oils;

  • environmental dryness;

  • excessive or harsh cleansing;

  • irritation from products or chemicals;

  • age-related changes;

  • an underlying skin disorder; or

  • certain medicines or medical conditions.

Why Does Dry Skin Develop?

There is usually no single cause.

Weather and indoor air

Cold, dry weather can make skin dryness more noticeable. Indoor heating and air-conditioning can also reduce humidity and contribute to moisture loss.

Wind may further irritate exposed skin, particularly the face and hands.

Hot or prolonged bathing

Long, hot showers may feel comfortable, but repeated exposure can worsen dryness.

The American Academy of Dermatology recommends keeping baths and showers short and using warm rather than hot water.

Frequent washing

Hands are particularly vulnerable because washing and sanitizing are repeated throughout the day.

The goal is not to stop necessary hygiene. Instead, reduce unnecessary exposure to harsh cleansers and moisturize after washing.

Aging

As people age, the skin can become thinner and produce less natural oil. Dryness therefore becomes more common in older adults.

Skin-care irritation

A routine containing several exfoliating acids, retinoids, scrubs, fragranced products or other potentially irritating ingredients can become difficult to tolerate when the skin is already dry.

More products do not necessarily mean better skin care.

Sometimes the most useful change is to temporarily simplify the routine.

Skin diseases and other medical factors

Dryness may accompany conditions such as eczema or psoriasis. Certain medicines can also contribute to dry skin, and some medical conditions can cause or worsen dryness.

This is one reason persistent dryness should not automatically be assumed to be a cosmetic issue.

Dry Skin Is Not Always the Same as an Inflamed Skin Condition

This is one of the most important distinctions to understand.

Simple dry skin may mainly produce:

  • tightness;

  • roughness;

  • mild flaking;

  • scaling;

  • occasional itching.

Inflammatory skin conditions may produce additional features such as pronounced redness, recurrent patches, intense itching, swelling, oozing, crusting, thickening or significant cracking.

Atopic dermatitis, commonly called eczema, is an inflammatory disease in which skin-barrier changes, immune activity and environmental factors interact. Severe itching and recurrent flares are common features.

That does not mean every itchy or dry patch is eczema.

It means that persistent inflammation or recurrent symptoms deserve a different level of attention than ordinary seasonal dryness.

The Most Useful First Step: Simplify the Routine

If your skin has recently become dry, irritated or unusually sensitive, resist the temptation to add several new products at once.

Start with the basics.

1. Use lukewarm water

Avoid very hot showers and baths.

2. Keep bathing reasonably short

The American Academy of Dermatology recommends approximately five to ten minutes for very dry skin.

3. Clean only as much as necessary

Use a gentle cleanser rather than aggressively washing every part of the body.

The goal is to remove sweat, dirt and substances that need to be removed without repeatedly stripping already-irritated skin.

4. Pat rather than vigorously rub

After bathing, gently pat the skin with a towel.

5. Moisturize promptly

Apply moisturizer while the skin is still slightly damp.

Moisturizers help reduce water loss and support the skin's protective function. Dermatology guidance commonly recommends creams or ointments when dryness is significant.

6. Reapply when necessary

One application in the morning may not be enough for very dry hands or other frequently exposed areas.

Hands, for example, may need moisturizer after washing and at other times when they feel dry.

How Should You Choose a Moisturizer?

There is no single perfect moisturizer for everyone.

The most useful choice depends on how dry your skin is, where it is located, how sensitive it is and whether you will actually use the product consistently.

Lotion

Lotions are relatively light and may feel comfortable for mild dryness or larger areas of the body.

Their lighter texture can make them easier to apply, but they generally provide less occlusive protection than thicker products.

Cream

Creams contain more oil than lotions and are often a practical choice for moderate dryness.

They may provide a useful balance between effectiveness and comfort.

Ointment

Ointments are thicker and more occlusive.

They can be particularly useful for very dry or cracked areas because they reduce water loss effectively. The disadvantage is that some people dislike their greasy texture.

A practical rule is:

Choose the least irritating product that provides enough protection for your level of dryness and that you are willing to use consistently.

Which Ingredients Are Worth Knowing?

You do not need to memorize a long ingredient list.

Several commonly used ingredients have different roles.

Humectants, such as glycerin and hyaluronic acid, help attract and retain water.

Emollients help smooth and soften the skin.

Occlusives, such as petrolatum, help reduce water loss from the surface.

Ceramides are lipids used in many moisturizers designed to support the skin barrier.

The American Academy of Dermatology identifies ingredients including glycerin, hyaluronic acid, mineral oil, petrolatum and ceramides among options used in moisturizers for dry skin.

You do not need a product containing every one of them.

“Fragrance-Free” Is Often More Useful Than “Unscented”

People with sensitive or irritated skin often benefit from avoiding fragranced products.

An important labeling distinction is that “unscented” does not necessarily mean fragrance-free. An unscented product may contain ingredients used to mask other odors.

If a product repeatedly causes burning, itching or redness, stop using it rather than assuming the reaction is something you need to tolerate.

What Should You Temporarily Stop Doing?

When the skin is dry and irritated, consider reducing unnecessary exposures.

These can include:

  • physical scrubs;

  • aggressive exfoliation;

  • frequent use of strong acids;

  • several new active ingredients at once;

  • very hot showers;

  • strongly fragranced products;

  • harsh cleansers;

  • unnecessary rubbing or brushing of flaky skin.

Flaking does not automatically mean that dead skin needs to be scrubbed away.

Aggressive exfoliation can further irritate already-compromised skin.

A simpler routine often makes it easier to determine whether the skin is actually improving.

Does Drinking More Water Fix Dry Skin?

Not necessarily.

If you are dehydrated, restoring normal fluid intake is important. But chronic dry skin can occur even when a person is adequately hydrated.

The problem may be related to the skin's protective barrier, environmental exposure, cleansing habits, aging, inflammation or another factor.

Therefore, deliberately drinking excessive quantities of water is not a reliable treatment for chronic dry skin.

Think of hydration and skin care as related but different issues:

Adequate fluid intake supports normal body function; appropriate topical care helps manage the skin surface.

Can Diet or Supplements Treat Dry Skin?

A balanced diet is important for normal skin structure and general health.

However, ordinary dry skin does not automatically mean that a person has a vitamin or mineral deficiency.

Taking high-dose supplements simply because the skin feels dry is not a good substitute for identifying the actual cause.

If there is a restrictive diet, suspected nutritional deficiency, unexplained weight loss, digestive problems or another reason to suspect inadequate nutrition, discussing the issue with a healthcare professional is more appropriate than taking multiple supplements without guidance.

What About Natural Oils?

Some oils can soften the skin and may reduce the feeling of roughness.

But “natural” does not mean automatically safe for irritated or sensitive skin.

Plant-derived substances can cause irritation or allergic contact dermatitis in some people. Concentrated essential oils deserve particular caution because they may irritate sensitive skin.

Do not assume that a homemade mixture is gentler simply because it contains fewer synthetic ingredients.

If a product produces burning, swelling, worsening redness or itching, stop using it.

Why Petroleum Jelly Can Be Useful

Petrolatum, commonly sold as petroleum jelly, is an occlusive ingredient.

It forms a protective layer that helps reduce water loss from the skin.

It can be especially useful on very dry areas such as hands, heels or small cracked areas of skin.

It may feel greasy, so a cream may be more convenient during the day while an ointment or petrolatum-based product may be preferable when stronger occlusion is wanted.

Dry Hands Need a Different Strategy

Hands often become dry because they are repeatedly exposed to:

  • soap and water;

  • hand sanitizer;

  • cleaning chemicals;

  • cold weather;

  • occupational irritants.

The solution is not to avoid hand hygiene.

Instead:

  1. Use lukewarm rather than very hot water.

  2. Choose a gentle cleanser when possible.

  3. Pat the hands dry.

  4. Apply moisturizer after washing.

  5. Use a thicker cream or ointment when cracking develops.

  6. Wear appropriate protective gloves when handling irritating chemicals.

If the hands remain inflamed, itchy or cracked despite these measures, hand dermatitis or another skin condition may need evaluation.

What About Dry Facial Skin?

Facial skin may be more sensitive to active ingredients and fragrances.

If facial dryness develops, consider temporarily simplifying the routine to:

  • gentle cleansing;

  • moisturizer;

  • sun protection;

  • fewer unnecessary active ingredients.

Do not use concentrated essential oils, harsh scrubs or household mixtures simply because they are described as natural.

If dryness is accompanied by a persistent rash, burning, significant redness or recurrent scaling, the issue may not be simple xerosis.

When Dry Skin Becomes a Medical Question

A useful rule is:

If reasonable basic care is not working, investigate rather than continually adding products.

Seek professional evaluation if you have:

  • persistent or severe itching;

  • itching without an obvious rash;

  • painful cracks or open sores;

  • recurrent bleeding;

  • significant redness or swelling;

  • widespread scaling;

  • a persistent or recurrent rash;

  • symptoms that interfere with sleep;

  • signs that the skin may be infected;

  • sudden or unexplained widespread dryness;

  • dryness that continues despite appropriate basic care.

MedlinePlus specifically recommends medical assessment when itching is persistent, interferes with sleep, causes open sores, or does not improve with self-care.

A dermatologist may be able to determine whether the problem is ordinary xerosis, eczema, psoriasis, contact dermatitis, another skin disorder, a medication effect or something requiring additional investigation.

What Can Help a Doctor Understand the Problem?

If you eventually need an appointment, useful information includes:

  • when the dryness started;

  • where it occurs;

  • whether it is itchy or painful;

  • whether there is a visible rash;

  • whether symptoms are seasonal;

  • recent changes in soaps, cosmetics or medicines;

  • how often you bathe or wash the affected area;

  • what moisturizers you have tried;

  • whether anything makes the problem better or worse;

  • whether other unexplained symptoms have appeared.

This information can make the evaluation more useful than simply saying, “My skin is dry.”

A Practical Way to Think About Dry Skin

Rather than asking:

“Which product will cure my dry skin?”

ask:

“What is repeatedly irritating or drying my skin, and is there evidence that something more than ordinary dryness is occurring?”

That changes the approach.

First remove avoidable irritation.

Then restore moisture consistently.

Then reassess.

If the skin improves, continue the routine that works.

If it does not improve, becomes inflamed, painful or unusually widespread, do not keep experimenting with increasingly complicated home remedies. Professional assessment may be more useful.

Key Takeaways

  • Dry skin occurs when the skin loses too much water and can be influenced by weather, bathing, cleansing, aging, products, skin disorders and some medicines.

  • Shorter baths or showers with lukewarm water can reduce unnecessary irritation.

  • Gentle cleansing is generally preferable to repeated aggressive washing.

  • Moisturizer works best when applied consistently, particularly soon after bathing while the skin remains slightly damp.

  • Creams and ointments generally provide more substantial protection than lightweight lotions for very dry skin.

  • Fragrance-free products may be preferable when skin is sensitive or irritated.

  • Scrubbing flaky skin and repeatedly adding strong active ingredients can make irritation worse.

  • Drinking excessive amounts of water is not a reliable treatment for chronic dry skin.

  • Natural oils and other “natural” ingredients can still cause irritation or allergy.

  • Persistent, painful, inflamed, widespread or unexplained dryness deserves professional assessment rather than endless product experimentation.

  • Dry skin and inflammatory conditions such as eczema can overlap, but they are not the same problem.

Medical Disclaimer

This article is for general educational purposes and does not diagnose or treat any medical condition. Dry, itchy or inflamed skin can have many different causes, and information that is appropriate for one person may not be appropriate for another. Persistent, severe, painful, widespread, infected-looking or unexplained skin symptoms should be assessed by a qualified healthcare professional or dermatologist.

Related Articles: 

Dry, irritated skin can sometimes be accompanied by itching or a rash. If you are experiencing these symptoms, see our guide to safe approaches to managing skin rashes.

Not everyone with facial dryness has the same skin type, and some people experience dryness alongside excess oil. Our guide to oily skin care explains how to build a routine without unnecessarily irritating the skin.

Choosing skincare products that support the skin barrier is also important when managing the appearance of facial pores. For more information, see our guide to science-backed ways to make enlarged pores less noticeable.

External Resources: 

For dermatologist-reviewed advice on bathing, cleansing, moisturizing and protecting dry skin, see the American Academy of Dermatology's guide to relieving dry skin.

For more information about moisturizers and emollients used for dry, itchy or scaly skin, see the NHS guide to emollients.

How to Gain Weight and Build Muscle Without Overdoing It

Balanced nutritious meal and dumbbells representing healthy weight gain and muscle building

How to Gain Weight and Build Muscle Without Overdoing It

Gaining body weight and building muscle are related goals, but they are not the same thing.

If you simply eat substantially more food, your weight may increase without a corresponding increase in muscle. Some of the change can come from body fat, water, glycogen and the contents of the digestive system. On the other hand, if you increase your training without providing enough food and protein, gaining muscle may be more difficult.

For a generally healthy adult who intentionally wants to gain weight, a more useful strategy is to treat the process as a combination of nutrition, resistance training, recovery and monitoring.

The goal is not to make the scale rise as quickly as possible. It is to provide enough energy and protein to support training and recovery while avoiding a deliberately excessive calorie intake.

What Does “Healthy Weight Gain” Actually Mean?

Body weight is made up of much more than muscle. It includes muscle tissue, body fat, water, glycogen, bone, organs and the contents of the digestive tract.

This matters because a change on the scale cannot tell you exactly what has changed.

For example, a person may gain weight after increasing carbohydrate intake because muscle and liver glycogen are stored together with water. Someone beginning resistance training may also experience changes in muscle size and body composition that are not immediately obvious from the scale.

Therefore, a useful weight-gain goal is not simply:

“I want to weigh more.”

A better goal is:

“I want to gradually increase body weight while supporting strength, muscle development and nutritional adequacy.”

Even with a carefully planned diet and training program, it is not possible to guarantee that every kilogram gained will be muscle.

First Ask: Is Intentional Weight Gain Appropriate?

Before deliberately increasing food intake, consider why your weight is low or why you want to gain.

If you have always been relatively light, feel well, eat normally and have stable weight, intentional weight gain may simply be a nutrition and training goal.

The situation is different if you are losing weight without trying.

Unexpected weight loss can have many possible causes, including digestive problems, endocrine conditions, medication effects, chronic illness and other medical issues. MedlinePlus recommends discussing unexplained changes in body weight with a healthcare professional rather than assuming that food intake is the only explanation.

Medical evaluation is particularly important if difficulty maintaining weight occurs together with symptoms such as:

  • persistent diarrhea or vomiting

  • difficulty swallowing

  • ongoing abdominal or other significant pain

  • marked or persistent fatigue

  • substantial appetite changes

  • recurrent digestive problems

  • fever or other unexplained symptoms

  • continued unintentional weight loss

In that situation, the priority is finding the reason for the weight change rather than simply adding calories or buying a mass-gainer product.

People who are pregnant, have kidney or liver disease, have significant gastrointestinal problems, take medications that affect appetite or weight, or have a history of an eating disorder should also seek individualized advice before making major dietary changes.

Think of Weight Gain as a Feedback Process

A useful way to manage intentional weight gain is to avoid making a large change and then following it blindly for months.

Instead:

Change food intake → train consistently → monitor the response → adjust if necessary.

This is more useful than following a rigid calorie target that may not suit your body size, activity level or training demands.

If your usual intake has maintained a stable body weight, increasing food intake should generally move your weight upward over time.

If your weight does not change after allowing enough time to observe a trend, you may need more food.

If your weight rises very quickly and your waist circumference is increasing substantially, the increase in food may be larger than necessary for your goal.

There is no single calorie surplus or weekly weight-gain rate that is appropriate for every adult.

Build the Diet Around Enough Food, Not “Bulking Foods”

You do not need special foods to gain weight.

A nutritious diet can become more energy-dense by increasing portions and adding foods that provide both energy and useful nutrients.

For example, a meal can contain:

Protein + carbohydrate + vegetables or fruit + a source of fat

An Indian-style meal might be:

  • rice or chapati

  • dal

  • paneer, tofu, eggs, fish or chicken

  • vegetables

  • curd

  • nuts or seeds where appropriate

Another meal might combine oats, milk or yogurt, banana, nuts and eggs.

The important point is not the individual food. It is the overall pattern.

MedlinePlus notes that healthy weight gain can involve extra calories within a balanced diet, while underlying medical problems should also be addressed when present.

Use Energy-Dense Foods When Appetite Is Small

Some people struggle to gain weight because they become uncomfortably full before eating enough.

In that situation, increasing the nutritional density of meals can be more practical than trying to eat enormous portions.

Examples include:

  • nuts and seeds

  • nut or seed butters

  • milk or yogurt

  • cheese or paneer

  • avocado

  • cooking oils in reasonable amounts

  • oats

  • dried fruit in appropriate portions

A homemade smoothie can also be useful for someone who finds drinking easier than eating another large meal.

For example, milk or yogurt combined with oats, banana and nut butter can provide protein, carbohydrate and energy in a relatively compact serving.

This does not mean liquid calories are automatically better. They are simply one practical option when appetite is the limiting factor.

Protein: Enough to Support Muscle, Not as Much as Possible

Protein supplies amino acids needed for muscle protein synthesis and many other functions in the body.

For adults who regularly perform resistance training, research supports higher protein intake than the minimum needed to prevent deficiency. A large systematic review found that protein supplementation during resistance training can provide additional gains in fat-free mass and strength, while benefits diminish as total protein intake becomes higher. Another systematic review found small additional improvements in lean body mass and some strength measures with higher protein intake during resistance exercise.

For many resistance-training adults, an intake around 1.6 g of protein per kilogram of body weight per day can be used as a practical reference point.

A broader range may be appropriate depending on the individual and circumstances.

For example, at 70 kg:

70 × 1.6 = 112 g of protein per day

This is not a prescription or a minimum requirement. It is an example of how a protein target can be calculated.

More protein is not automatically better. Once protein intake is already adequate, continually adding more protein does not replace the need for sufficient energy, carbohydrates, resistance training and recovery.

Spread Protein Across the Day

There is no requirement to eat protein at a particular minute after exercise.

However, including a meaningful protein source at several meals can make it easier to reach an appropriate daily intake.

Examples include:

  • eggs at breakfast

  • dal and paneer at lunch

  • yogurt and nuts as a snack

  • tofu, fish, chicken or another protein source at dinner

Plant-based diets can also provide sufficient protein when a variety of foods are included and total intake is adequate.

People with kidney disease or other conditions affecting protein requirements should not automatically adopt a high-protein diet without individualized medical or dietetic advice.

Resistance Training Is What Gives the Body a Reason to Build Muscle

Extra food does not automatically become muscle.

Resistance exercise provides the stimulus that encourages the body to adapt by becoming stronger and, under appropriate conditions, increasing muscle size.

A beginner does not need an elaborate bodybuilding program.

A basic routine can include movement patterns such as:

  • squatting

  • pushing

  • pulling

  • hip hinging

  • carrying

  • overhead pressing

The exercises can be performed with body weight, resistance bands, machines, dumbbells, barbells or other suitable equipment.

The choice depends on experience, access to equipment, physical limitations and personal preference.

For general health, adults are advised to perform muscle-strengthening activities on at least two days each week. A muscle-building program may use different frequencies depending on the person's training experience and total workload.

Progress Matters More Than Exercise Variety

A common mistake is to keep changing exercises without giving the body a chance to adapt.

Instead, track your main exercises.

Progress may involve:

  • gradually increasing resistance

  • performing more controlled repetitions

  • adding a set

  • improving technique

  • increasing range of motion

  • moving to a more challenging variation

Progress does not need to happen every workout.

The important principle is that training should provide an appropriate challenge that can be repeated consistently.

Carbohydrates and Fat Still Have a Place

Muscle-building diets sometimes become unnecessarily restrictive.

Carbohydrates provide an important source of energy for physical activity. Foods such as rice, oats, potatoes, sweet potatoes, chapati, whole grains and fruit can fit comfortably into a muscle-building diet.

There is also no reason to eliminate dietary fat when trying to build muscle.

Nuts, seeds, nut butters, dairy foods, avocado and vegetable oils can increase the energy density of meals.

The objective is not to maximize carbohydrate or fat intake independently.

It is to create a diet that provides enough total energy and a good balance of nutrients.

Recovery Is Part of the Program

Training creates a stimulus. Recovery allows the body to adapt to that stimulus.

Important recovery factors include:

  • adequate food

  • sufficient protein

  • sleep

  • rest between demanding sessions

  • manageable training volume

  • appropriate hydration

Adults generally need at least seven hours of sleep, although sleep requirements vary by age.

Poor sleep does not mean that muscle growth becomes impossible, but consistently inadequate sleep can make training and recovery more difficult.

You also do not need to eliminate cardiovascular activity while trying to gain muscle.

Walking, cycling and other aerobic activities can remain part of a healthy lifestyle. The practical issue is whether the total amount of activity leaves you with enough energy and recovery capacity for your resistance-training goal.

What If You Have Very Little Appetite?

A small appetite can make intentional weight gain difficult.

Rather than forcing very large meals, try increasing eating opportunities.

For example:

Breakfast → snack → lunch → snack → dinner

An additional evening snack may be useful if tolerated.

You can also make existing meals slightly more energy-dense instead of dramatically increasing their volume.

For example, adding nuts to yogurt, using nut butter with oats, or adding a reasonable amount of oil to a meal can increase energy intake without requiring another full plate of food.

However, persistent appetite loss should not simply be treated as a nutrition inconvenience.

If reduced appetite is accompanied by unintentional weight loss, persistent digestive symptoms, fatigue, pain or other unexplained symptoms, medical evaluation is appropriate.

Do You Need Protein Powder, Mass Gainers or Creatine?

Protein powder

Protein powder is optional.

Its main advantage is convenience. If ordinary food already provides enough protein, there is no nutritional requirement to add a powder.

It can be useful when work schedules, appetite or food availability make adequate protein difficult to obtain from meals.

Mass gainers

A commercial mass gainer is also optional.

These products generally provide concentrated calories, often from carbohydrate and protein.

They are not fundamentally different from obtaining those nutrients through ordinary food.

For someone who struggles to eat enough, convenience may be useful, but a mass gainer should not be treated as a special muscle-building substance.

Creatine

Creatine monohydrate is different from a typical calorie supplement because it has substantial research behind its role in high-intensity exercise performance and resistance-training adaptations.

It is still optional.

People who use creatine may notice an early increase in body weight related partly to increased water stored within muscle. Therefore, a scale increase after starting creatine should not automatically be interpreted as new muscle tissue.

People with kidney disease or other significant medical conditions, those taking medications that require consideration of kidney function, and people who are pregnant or breastfeeding should discuss supplement use with an appropriate healthcare professional.

Supplement quality also matters. A supplement should not be assumed to be safe merely because it is marketed for fitness.

How to Know Whether Your Plan Is Working

Do not judge the entire process from one morning's scale reading.

Body weight naturally changes because of hydration, sodium, carbohydrate intake, glycogen, food volume and bowel contents.

Instead, look for trends.

1. Body-weight trend

Weighing under reasonably consistent conditions can help identify the direction of change.

The useful question is:

Is my average weight gradually moving in the direction I intended?

Not:

Did today's number increase?

2. Strength

Record your main resistance exercises.

If you can gradually perform more work with good technique, that is useful evidence that your training capacity is improving.

However, strength improvement does not prove exactly how much muscle you have gained.

3. Waist or other body measurements

A waist measurement can provide additional information about changes in body size.

If body weight is increasing rapidly while waist circumference is also increasing substantially, you may want to reconsider how large your calorie increase is.

4. Recovery and energy

Also pay attention to:

  • workout performance

  • persistent fatigue

  • sleep quality

  • appetite

  • soreness

  • ability to recover between sessions

A plan that produces weight gain but leaves you exhausted and unable to train consistently may need adjustment.

What Should You Change If Your Weight Does Not Increase?

If your weight remains essentially unchanged despite several weeks of consistent eating and training, first examine whether the issue is actually food intake.

Ask:

  • Am I consistently eating the meals I planned?

  • Are portions smaller than I thought?

  • Am I skipping snacks?

  • Has my physical activity increased?

  • Am I underestimating how much energy I use?

  • Is poor appetite limiting intake?

If intake is consistently inadequate, adding a modest amount of food to existing meals may be more practical than completely redesigning the diet.

For example, you might increase the portion of rice, oats or potatoes, add yogurt or nuts, or include an additional snack.

Then monitor the response again.

This gradual approach makes it easier to understand what is working.

What If Weight Rises Faster Than Intended?

Do not panic over a short-term increase.

Water and glycogen can change body weight quickly.

But if the longer-term trend is rising faster than intended and waist circumference is increasing substantially, the amount of extra food may be more than you need.

Rather than eliminating carbohydrates or skipping meals, consider reducing the size of the added calorie intake.

The objective is not to achieve zero fat gain. That is unrealistic for many people.

The objective is to avoid deliberately overeating far beyond what is needed for the goal.

When Older Adults Need a Different Approach

For older adults, maintaining muscle and physical function becomes particularly important.

Unintentional weight loss should not automatically be dismissed as a normal part of aging. In older adults, clinically significant unintentional weight loss is associated with poorer health outcomes and warrants evaluation.

An older person experiencing weight loss may need a broader assessment involving:

  • appetite

  • dental or swallowing difficulties

  • medications

  • chronic disease

  • protein intake

  • physical function

  • resistance exercise

  • nutritional adequacy

The goal may therefore be different from simply “gaining weight.”

For some older adults, preserving or rebuilding muscle and physical function may be more important than achieving a particular number on the scale.

When to Stop Self-Managing and Seek Medical Advice

Talk with a healthcare professional if you are unable to maintain your weight without an obvious explanation, particularly when the problem is persistent.

Medical assessment is especially appropriate for:

  • unexplained weight loss

  • persistent vomiting or diarrhea

  • difficulty swallowing

  • persistent abdominal or other significant pain

  • major appetite changes

  • ongoing fatigue or weakness

  • recurrent fever or other unexplained symptoms

  • significant changes after starting a medication

  • symptoms suggesting a chronic medical condition

The appropriate evaluation depends on the person's age, symptoms, medical history and examination.

The key point is that difficulty gaining weight is not always a simple calorie problem.

Key Takeaways

Healthy weight gain is more useful when it is treated as a controlled process rather than a race to increase the scale.

  • First make sure intentional weight gain is appropriate, particularly if your weight has been falling without trying.

  • Increase food intake gradually rather than relying on extreme overeating.

  • Build meals around adequate protein, useful carbohydrate sources, vegetables or fruit, and nutrient-rich fats.

  • For many resistance-training adults, around 1.6 g/kg/day of protein is a practical reference point, although individual needs vary.

  • Resistance training provides the main exercise stimulus for muscle development.

  • Progressively challenging your muscles is more important than constantly changing exercises.

  • Sleep and recovery are part of the muscle-building process.

  • Protein powder, mass gainers and creatine are optional tools rather than requirements.

  • Monitor body-weight trends together with strength, waist measurements and recovery.

  • If weight is not increasing, assess actual food intake before making increasingly aggressive changes.

  • If weight is increasing very rapidly, particularly with a substantial waist increase, reconsider the size of the food surplus.

  • Unexplained weight loss, persistent appetite problems or concerning symptoms deserve medical evaluation.

The most useful goal is not simply a heavier body.

It is a sustainable combination of adequate nutrition, progressive training, recovery, strength and appropriate body-weight change.

Medical Disclaimer

This article provides general nutrition and exercise information for educational purposes. It is not a diagnosis or individualized treatment plan. Nutritional and exercise requirements vary according to age, body size, activity level, medical conditions, medications and other circumstances.

People with unexplained weight loss, kidney or liver disease, significant gastrointestinal problems, eating disorders, pregnancy, or other medical concerns should obtain individualized advice from a qualified healthcare professional or registered dietitian before making substantial changes to diet, exercise or supplement use.

Related Articles: 

If eating larger meals is difficult, nutritious snacks can make it easier to increase daily energy intake. See our guide to healthy snacks for weight gain for practical ideas.

Understanding energy balance is useful whether your goal is to gain or lose weight. For a broader explanation of balanced eating and sustainable weight management, see our guide to balanced approaches to weight management.

Nutrition alone does not build muscle; resistance exercise provides the training stimulus needed for muscle adaptation. For practical ideas on fitting short workouts into your routine, see our article on mini-workouts and regular physical activity.

External Resources:

For practical guidance on gaining weight gradually through a balanced diet and strength-building activity, see the NHS guide to healthy weight gain.

For evidence-based information about protein, resistance exercise and muscle growth, see the NIH Office of Dietary Supplements information on exercise and athletic performance.

Acne in Men: Causes, Razor Bumps and Treatment

 
Adult man with mild facial acne around the cheeks and beard area

Acne in Men: How to Tell What Is Causing the Bumps and What to Do

Acne can continue long after the teenage years. For men, facial breakouts can also become complicated by shaving, beard-area irritation, oily hair products, sweating, friction, or medicines that influence oil production.

That creates an important problem: not every bump on a man's face is acne.

A blackhead or inflammatory pimple may respond to standard acne treatment. A cluster of bumps that appears after shaving may instead be related to pseudofolliculitis barbae, commonly called razor bumps. Folliculitis can also produce acne-like lesions. Treating the wrong condition with increasingly strong acne products can leave the skin more irritated without solving the underlying problem.

The most useful approach is therefore not to collect as many skincare products as possible. It is to identify the likely problem, choose an evidence-supported treatment appropriate to its severity, protect the skin barrier and reassess rather than constantly changing products.

First: Is It Actually Acne?

Acne develops when hair follicles become blocked and inflammation develops around them. Blackheads and whiteheads are comedones, while papules and pustules are inflammatory lesions. Deeper nodules can be painful and have a greater risk of scarring.

A few clues can help you think about what you are seeing.

More suggestive of ordinary acne

Acne commonly produces a mixture of:

  • Blackheads

  • Whiteheads

  • Small red pimples

  • Pustules

  • Deeper inflammatory lesions

It can affect the face, neck, chest, shoulders and back.

More suggestive of razor bumps

If bumps are concentrated in the beard area and repeatedly appear after shaving, pseudofolliculitis may be involved.

Razor bumps occur when shortened hairs curve back toward or into the skin, producing inflammation. They can be particularly troublesome when facial hair is coarse or curly.

More suggestive of folliculitis

Folliculitis is inflammation of hair follicles and can produce acne-like bumps. Shaving, friction, tight clothing, heat, humidity and other forms of follicular irritation can contribute.

This distinction matters because the appropriate treatment may be different from standard acne treatment.

If you are uncertain whether the bumps are acne, razor bumps or folliculitis, repeatedly adding stronger acne products is not necessarily the best next step.

Why Do Men Get Acne?

There is no single cause.

Acne develops through several interacting processes involving follicular blockage, sebum, inflammation and changes involving microorganisms that normally live on the skin. Hormonal activity can increase sebum production, but it is too simplistic to describe adult male acne as a problem caused by testosterone alone.

Genetics, skin characteristics, products, medications and mechanical irritation can all contribute.

Hormonal and medication-related factors

Androgens influence sebaceous glands, which helps explain why acne often becomes prominent around puberty and may persist in adulthood.

Some medicines or hormone-related substances can also contribute to acne. MedlinePlus lists medicines such as corticosteroids and testosterone among possible contributors. NICE also advises considering whether a medical disorder or medication, including self-administered anabolic steroids, may be contributing when acne is difficult to explain or control.

This does not mean that every man with acne has a hormonal disorder.

If acne begins suddenly after starting a medication, hormone treatment or performance-enhancing substance, mention that history to a healthcare professional rather than stopping a prescribed medicine on your own.

Hair and skincare products

Heavy or oily products can contribute to breakouts in some people, particularly around the forehead, temples and hairline.

If acne repeatedly appears where a styling product, beard oil, pomade or other product contacts the skin, review what you are applying rather than automatically adding another acne treatment.

AAD recommends choosing products labelled “non-comedogenic” or “won't clog pores” when possible.

Sweat and friction

Sweat itself is not a complete explanation for acne.

However, prolonged moisture, friction and occlusion can irritate follicles. Helmets, straps, sports equipment, tight clothing and repeated rubbing can therefore be relevant to some breakouts.

After heavy exercise, gently cleansing the skin and changing out of sweaty clothing can reduce prolonged irritation.

Shaving Can Make the Diagnosis Harder

For men who shave regularly, acne treatment and shaving technique need to be considered together.

Shaving can irritate existing acne. It can also produce razor bumps that look like acne.

A practical shaving routine is:

  1. Wet the facial hair and skin first.

  2. Use a shaving cream or gel.

  3. Shave in the direction the hair grows.

  4. Use a sharp, clean razor.

  5. Avoid repeatedly passing over the same area.

  6. Do not shave directly across raised pimples.

  7. Avoid excessive pressure.

  8. Rinse gently afterward.

AAD specifically advises men with acne to shave carefully because shaving can irritate acne, and recommends experimenting with shaving methods that cause less irritation.

If razor bumps are the main problem, simply increasing acne medication may not address the cause.

For some men, reducing the frequency of close shaving or allowing facial hair to grow longer can reduce recurrent razor bumps. If shaving is required for work or other reasons and the problem persists, professional assessment can help identify appropriate treatment.

A Practical Treatment Framework

The right treatment depends more on the type and severity of acne than on being male.

If you mainly have blackheads and whiteheads

A topical retinoid such as adapalene is an established option for acne because it helps normalize follicular cell turnover and reduce clogging.

Salicylic acid can also be useful for mild comedonal acne because it helps remove dead skin cells and reduce follicular congestion.

The important point is to choose a treatment you can use consistently rather than combining several exfoliating products immediately.

If you mainly have red pimples and pustules

Benzoyl peroxide is an established acne treatment that reduces acne-associated bacteria and inflammation. It is frequently used alone for appropriate mild acne or in combination treatment.

A topical retinoid may also be appropriate because it addresses follicular blockage.

Depending on the severity, a clinician may recommend a combination rather than relying on a single ingredient.

If you have deep, painful or scarring acne

This is where self-treatment becomes less appropriate.

Deep nodules or nodulocystic acne can scar, and the risk of scarring increases with acne severity and duration. NICE recommends specialist referral for nodulocystic acne and acne that is causing scarring.

Do not spend months cycling through home remedies if deep inflammatory lesions are appearing.

Build a Simple Routine Around One Main Treatment

A complicated routine is not automatically a better routine.

Morning

Cleanse gently if needed.
Use a mild, non-abrasive cleanser and lukewarm water. Avoid aggressive scrubbing. AAD recommends limiting routine face washing to twice daily and after heavy sweating.

Use your acne treatment if the product instructions call for morning use.

Moisturize.
Acne medications can dry and irritate the skin. An oil-free or non-comedogenic moisturizer can make treatment easier to tolerate.

Use sunscreen when outdoors.
AAD recommends broad-spectrum SPF 30 or higher and suggests choosing a non-comedogenic product for acne-prone skin. Sun protection is particularly useful when acne leaves dark marks.

Evening

Cleanse gently.

Apply your principal acne treatment according to its directions.

Moisturize if needed.

Avoid adding several new active ingredients simply because improvement has not appeared immediately.

Dryness, burning and peeling are not signs that an acne treatment is “working better.” Excessive irritation can make the routine harder to continue.

What the Main Acne Ingredients Actually Do

Topical retinoids

Adapalene, tretinoin, tazarotene and trifarotene belong to the topical retinoid group.

They are among the established treatments for acne and can help with comedones and inflammatory acne. AAD strongly recommends topical retinoids in its current guideline.

They can cause dryness, redness or peeling, particularly when first introduced.

Benzoyl peroxide

Benzoyl peroxide is particularly useful for inflammatory acne.

It reduces acne-associated bacteria and inflammation and is often combined with another treatment that works through a different mechanism.

It can irritate the skin and can bleach fabrics.

Salicylic acid

Salicylic acid is useful for some people with blackheads, whiteheads and mild congestion.

It can be a reasonable OTC option, but it should not be treated as interchangeable with prescription therapy for moderate or severe acne.

Azelaic acid

Azelaic acid is another evidence-supported topical treatment. It can be useful for acne and may also help with post-inflammatory pigmentation. AAD includes azelaic acid among recommended acne therapies.

What About Antibiotics?

Antibiotics can be appropriate for some moderate or severe inflammatory acne, but they should not be treated as an indefinitely repeatable acne solution.

Current guidance emphasizes limiting systemic antibiotic use and combining appropriate antibiotic treatment with topical therapies, including benzoyl peroxide when indicated. This helps address antimicrobial-resistance concerns.

Do not use leftover antibiotics or someone else's prescription.

If an oral antibiotic is prescribed, follow the clinician's instructions and attend the recommended review rather than continuing it indefinitely.

What About Isotretinoin?

Isotretinoin is a prescription treatment used for selected severe or treatment-resistant acne.

It is not a medicine to start independently. It requires professional assessment and monitoring because treatment has important risks, precautions and monitoring requirements.

The fact that isotretinoin exists does not mean that every persistent breakout requires it.

The appropriate treatment depends on severity, scarring risk, previous treatment, medical history and individual circumstances.

What About Natural Acne Remedies?

Natural products should be discussed according to the strength of their evidence, not simply because they are described as natural.

Tea tree oil has been studied for acne, but NCCIH says the evidence is limited and more research is needed before firm conclusions can be made. It can also cause skin irritation or allergic reactions.

The same principle applies to neem, aloe vera, honey and other home remedies. Traditional use or laboratory findings do not establish that a preparation reliably treats acne in humans.

For Ayurvedic or traditional approaches, it is useful to distinguish four separate questions:

  • Traditional use: How has the substance historically been used?

  • Possible mechanism: Could laboratory findings provide a plausible explanation?

  • Human clinical evidence: Has the treatment actually been tested in people with acne?

  • Safety: Is the preparation safe, standardized and appropriate for the individual?

Those questions should not be collapsed into one claim of effectiveness.

A traditional remedy can be culturally important without having enough clinical evidence to replace established acne treatment.

Should You Change Your Diet?

There is currently not enough evidence to recommend one universal acne diet.

NICE specifically advises that evidence is insufficient to support specific diets as acne treatment.

That does not mean nutrition is irrelevant to health. A balanced diet remains important for general wellbeing.

What should be avoided is the assumption that one food is universally responsible for acne or that eliminating a particular food will reliably clear the skin.

If you notice a reproducible relationship between a particular dietary pattern and your acne, discuss it with a healthcare professional or dietitian before making major restrictions.

Give Treatment Enough Time to Judge It

One of the most common problems with acne self-care is changing products too quickly.

A product may appear ineffective after several days simply because acne does not respond that quickly.

NICE recommends a 12-week first-line treatment course and notes that positive effects can take around 6 to 8 weeks to become noticeable. Treatment should then be reviewed rather than continued indefinitely without assessment.

This does not mean that you should tolerate severe irritation for 12 weeks.

A useful distinction is:

Slow improvement is normal. Significant irritation is not something you should simply endure.

If your skin becomes severely painful, swollen, blistered or persistently inflamed, seek professional advice rather than increasing the treatment.

Dark Marks Are Not Necessarily Acne Scars

After acne settles, some men are left with flat areas of darker pigmentation.

These marks are different from structural acne scars.

Post-inflammatory pigmentation may gradually become less noticeable, while true atrophic scars involve changes in the skin's structure.

This distinction matters because treating ongoing acne and treating established scars are different problems.

The first priority is controlling active acne so that new lesions do not continue producing marks and scars.

Professional scar treatment should be individualized according to the scar type and the person's skin characteristics.

When Should You See a Dermatologist?

Professional assessment is particularly appropriate when:

  • You have deep or painful nodules.

  • Acne is leaving scars.

  • Acne is extensive or persistent.

  • You have persistent pigmentary changes.

  • Appropriate treatment has failed.

  • You have completed appropriate treatment courses without adequate improvement.

  • You are unsure whether the condition is acne.

  • Most bumps occur after shaving.

  • Bumps repeatedly occur around individual hairs.

  • Acne began after starting a medication or hormone-related substance.

  • The condition is causing substantial psychological distress.

NICE specifically recommends specialist assessment for diagnostic uncertainty, nodulocystic acne, acne associated with scarring, persistent pigmentary changes and certain treatment failures.

Severe psychological distress associated with acne also deserves attention. Acne is a visible condition, and its effects on wellbeing should not be dismissed simply because acne is not usually medically dangerous.

Seek urgent medical attention for an unusual severe reaction

Ordinary acne does not usually require emergency care.

However, rapidly worsening, unusually severe inflammatory skin disease accompanied by systemic symptoms should not be assumed to be ordinary acne. Rare severe acne variants require prompt specialist evaluation. NICE specifically recommends same-day referral for suspected acne fulminans.

A Better Way to Think About Your Acne

Instead of asking:

“What is the strongest product I can use?”

ask:

What pattern am I actually seeing?

If it is mainly blackheads and whiteheads, a comedonal acne strategy may be appropriate.

If it is mainly inflamed pimples, an anti-inflammatory and antimicrobial approach may be more appropriate.

If it occurs almost entirely in the beard area after shaving, consider whether razor bumps or folliculitis are involved.

If it is deep, painful or scarring, professional assessment becomes more important.

If it appeared suddenly after a medication or hormone-related exposure, discuss the timing with a healthcare professional.

This approach is more useful than simply adding another product every time a breakout occurs.

Key Takeaways

  • Acne in men is influenced by several factors; testosterone alone does not explain every case.

  • Not every beard-area bump is acne. Razor bumps and folliculitis can look similar.

  • Shaving technique can aggravate acne and can contribute to pseudofolliculitis.

  • Gentle cleansing, non-comedogenic skincare and appropriate moisturization form a useful foundation.

  • Topical retinoids and benzoyl peroxide are established acne treatments; salicylic acid and azelaic acid are also evidence-supported options.

  • Avoid starting several strong active ingredients simultaneously.

  • Antibiotics should be professionally directed and used with attention to antimicrobial resistance.

  • There is insufficient evidence to recommend a universal acne diet.

  • Natural remedies should not be presented as proven substitutes for established acne treatment.

  • Give an appropriate treatment enough time to work, but do not ignore significant irritation.

  • Deep, painful, scarring or diagnostically uncertain acne deserves professional assessment.

  • The goal is not to use the largest number of products; it is to identify the problem accurately and use an appropriate treatment consistently.

Medical Disclaimer

This article provides general educational information about acne and acne-like skin conditions. It is not a diagnosis or individualized medical treatment plan.

Acne medicines, including prescription treatments, can have side effects and may not be appropriate for everyone. If you have severe, painful, scarring or persistent acne, significant skin irritation, or uncertainty about whether your bumps are acne, folliculitis or razor bumps, consult a qualified healthcare professional or dermatologist.

Related Articles:

Clogged pores and excess oil can contribute to both acne and more noticeable pores. For a closer look at this issue, see our guide to science-backed ways to make enlarged pores less noticeable.

Men with oily or acne-prone skin may benefit from a simple, non-comedogenic skincare routine rather than aggressive cleansing. See our guide to oily skin care in summer for additional practical advice.

Acne can leave dark marks even after the original blemish has cleared. For additional information about managing facial pigmentation, see our guide to dark spots on the face.

External Resources: 

For dermatologist-reviewed information on acne diagnosis and treatment options, see the American Academy of Dermatology's acne treatment guide.

For detailed clinical guidance on acne treatment, including topical combinations, antibiotics and considerations for pregnancy, see the NICE guideline on acne vulgaris management.