10785 Stretch Marks

Overview

Stretch marks are long, narrow streaks or lines that appear on the skin when it stretches or shrinks quickly. They are a type of scar that forms in the middle layer of skin, often looking red, purple, or pink at first and fading to lighter or darker shades over time.

Yes, stretch marks are very common. Most people develop them at some point in life, especially during growth spurts, pregnancy, or times of rapid weight change.

Stretch marks can affect anyone, but they are more likely to occur during pregnancy, puberty, rapid weight gain or loss, and in people who use certain steroid medicines or have a family history of stretch marks.

Symptoms

Common symptoms

• Long, thin lines or streaks on the skin that may be pink, red, purple, or dark brown
• Lines that feel slightly raised or have a different texture from surrounding skin
• Marks that appear on the belly, breasts, thighs, hips, buttocks, or upper arms
• Itching or mild soreness in the affected area, especially when stretch marks first form
• A gradual fading of the marks to a whiter or lighter tone over months or years

Symptoms in children

• Stretch marks in children most often appear during growth spurts in puberty.
• They usually show up on the back, hips, thighs, and knees.
• They are not painful and are generally nothing to worry about.
• If a child develops stretch marks very suddenly or with other symptoms like weight loss or bruising, a doctor should be asked to check.

Symptoms in older adults

• In older adults, stretch marks may become less colorful but more noticeable because the skin gets thinner and loses elasticity.
• They can be associated with long-term use of steroid creams or with conditions like Cushing's syndrome, but they are usually harmless.
• Older adults may have slower healing of the skin, so stretch marks may take longer to fade.

Causes

Main causes

• Rapid stretching of the skin due to pregnancy, growth spurts, or quick weight gain
• And also weight loss that makes the skin loose and folded
• Hormonal changes that affect the skin's ability to stretch and repair
• Use of certain medicines, like corticosteroid creams or pills, which can weaken skin fibers
• Genetic factors, because stretch marks can run in families

Risk factors

• Being female, especially during pregnancy
• Having a family history of stretch marks
• Being a teenager during a growth spurt
• Rapid muscle growth from bodybuilding
• Obesity or rapid weight changes
• Long-term steroid use
• Certain medical conditions like Cushing's syndrome or Marfan syndrome

When to see a doctor

See a doctor urgently if:

• If stretch marks appear suddenly and are accompanied by swelling of your face, fingers, or legs, or if you have a headache, changes in vision, or pain under the ribs during pregnancy, you should get medical help the same day.
• If the skin becomes painful, hot, or starts oozing fluid, see a doctor urgently.

Book a routine appointment if:

• Make a routine appointment if you are worried about how your stretch marks look, or if you notice them spreading quickly without an obvious reason.
• If you are considering treatments for appearance, talk to your GP or a dermatologist at a routine visit.

Diagnosis

A doctor can usually diagnose stretch marks just by looking at your skin and asking about your medical history. No special tests are needed in most cases.

Tests that may be done

• In some situations, if the stretch marks seem unusual or are linked to other symptoms, a doctor may check your blood for hormone levels or recommend a skin biopsy (taking a tiny sample of skin for testing) to rule out other conditions.

What to expect at your appointment

During an appointment, the doctor will ask when the marks appeared, whether you have gained or lost weight, what medicines you take, and whether you have any other symptoms. They will examine the affected area and may gently press on the skin. The visit usually takes only a few minutes, and you will leave with an explanation and advice on next steps.

Treatment

Treatments for stretch marks are not needed for health reasons, but some people want to improve their appearance. Most treatments are only partially effective, and no single option works for everyone. It is important to have realistic expectations and to know that many stretch marks fade on their own.

Self-care at home

• Keep the skin moisturized with a simple, fragrance-free moisturizer or emollient to help maintain skin softness.
• Massage the area gently each day to improve blood flow and comfort.
• Use sunscreen on affected areas to stop faded marks from becoming more visible against tanned skin.
• Drink plenty of water to keep skin hydrated.
• Be patient – stretch marks often become less noticeable over 6 to 12 months without any treatment.

Medical treatments

If you are bothered by stretch marks, a doctor or dermatologist may discuss options such as prescription-strength creams that might help with early marks, light or laser therapy, microneedling, or chemical peels. These procedures aim to encourage new skin growth and reduce the appearance of marks, but results vary, and no specific product or brand is recommended here. Always ask your healthcare professional about the risks, costs, and expected results before starting any treatment.

When is surgery considered?

Surgery is very rarely used for stretch marks. In some cases, if a person has loose, excess skin after major weight loss, a procedure like a tummy tuck might remove some skin, but this is a major operation with significant risks and is not a standard treatment for stretch marks themselves.

Living with this condition

For most people, stretch marks cause no physical difficulties. You can live fully as usual. Wear loose, comfortable clothing if the area feels tender. If stretch marks affect your confidence, remember they are extremely common and not something to be ashamed of.

Lifestyle tips

• Avoid crash dieting; try to maintain a steady, healthy weight.
• Stay active to keep your skin and muscles toned.
• Protect your skin from the sun by wearing sunscreen or covering the area.
• Give your skin time to adjust after any major body changes.
• If you smoke, consider making a plan to quit, as smoking can affect skin health.

Diet and exercise

A balanced diet rich in vitamins, minerals, and proteins can help keep your skin healthy. Eating plenty of fruits, vegetables, and lean proteins supports skin repair. Gentle exercise, like walking or swimming, can improve circulation and help with weight management. There is no specific diet that can prevent or cure stretch marks, but overall good nutrition helps your skin look and feel better.

Mental health and emotional wellbeing

Stretch marks can affect how you feel about your body, especially for people who are self-conscious about their appearance. It is normal to feel frustrated or upset. If these feelings become overwhelming or start to affect your daily life, talking to a counsellor or therapist can help. Remember that stretch marks are a natural part of body change for many people.

Prevention

Stretch marks cannot always be prevented, but you may reduce your risk by keeping your skin well moisturised, avoiding rapid weight changes, and maintaining a healthy lifestyle. During pregnancy, gaining weight gradually and staying hydrated might help, but it is not guaranteed that stretch marks will not appear. No cream or treatment has been proven to completely prevent stretch marks.

Complications

If left untreated

• Stretch marks do not cause any health complications if left untreated.
• In rare cases, stretch marks that are related to an underlying medical condition can continue to spread if that condition is not managed, but this is not due to the stretch marks themselves.
• Some people may feel distressed about their appearance, which can affect their emotional well-being.

Long-term outlook

The outlook for stretch marks is good. They are benign, meaning they are not harmful, and they often fade significantly on their own over time. While they may not disappear completely, most people find they become much less noticeable after a year or two. There is a wide range of treatments available if you want to try to improve them, but even without treatment, you can live comfortably and confidently.

Find support

Local organisations

• NHS.UK ↗ · United Kingdom

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