Vitiligo patches

Overview

Vitiligo is a skin condition where white patches appear on different parts of the body. These patches happen because the cells that give skin its color (melanocytes) stop working or die. Vitiligo is not contagious and it is not painful.

Vitiligo affects about 1 in 100 people worldwide. It is more noticeable in people with darker skin, but it occurs in all skin types.

Vitiligo can start at any age, but it most often begins before age 20. It affects people of all races and genders equally.

Symptoms

Common symptoms

• Flat white or very pale patches on the skin
• Patches that are usually painless and do not itch or hurt
• Patches that gradually become larger over time
• In some cases, hair on the affected skin may turn white or grey

Symptoms in children

• Patches often first appear on the face, neck, hands, or around the mouth and eyes
• Children may feel self‑conscious or upset about the changes in their appearance
• Patches may grow slowly, but many children respond well to treatment

Symptoms in older adults

• Patches can occur on parts of the skin that are frequently exposed to the sun
• Older adults may also have other skin changes, like age spots, that make the contrast more noticeable
• The condition does not typically cause any physical discomfort

Causes

Main causes

• Vitiligo is an autoimmune condition — the body's immune system mistakenly attacks and destroys the melanocytes (pigment‑producing cells).
• The exact trigger is unknown, but it may involve a combination of genetics and something in the environment (like stress or a virus).
• It is not caused by an infection, diet, or anything you did.

Risk factors

• Having a family member with vitiligo or another autoimmune disease (like thyroid disease or type 1 diabetes) increases the risk.
• People with certain autoimmune conditions (e.g., Hashimoto's thyroiditis, alopecia areata) are more likely to develop vitiligo.
• A severe sunburn or skin injury can sometimes bring out a patch in a person who is already at risk.

When to see a doctor

See a doctor urgently if:

• See a doctor within a few days if a new patch appears very quickly or is accompanied by redness, swelling, or pain.
• If you have vitiligo and the patches start growing rapidly, get medical advice.

Book a routine appointment if:

• Make an appointment with your GP if you notice any white patches on your skin that you are worried about.
• Even if you are not bothered by the appearance, it is a good idea to have a diagnosis confirmed by a healthcare professional.

Diagnosis

A doctor (usually a GP or a skin specialist called a dermatologist) can often diagnose vitiligo just by looking at the patches under a special lamp called a Wood's lamp. The lamp makes the white patches glow and helps distinguish vitiligo from other skin conditions.

Tests that may be done

• No routine blood tests are needed, but your doctor may check for other autoimmune conditions if you have symptoms like fatigue or weight changes.
• A small skin biopsy (taking a tiny piece of skin to look at under a microscope) is rarely needed, but it can confirm the diagnosis if there is doubt.

What to expect at your appointment

Your doctor will examine your skin, ask about your medical history and family history, and may use a Wood's lamp. The process is quick and painless. You will be told if you have vitiligo and what treatment or follow‑up options are available.

Treatment

Treatment for vitiligo aims to even out the skin tone and stop the patches from spreading. No single treatment works for everyone, and results take time. Some people choose not to treat vitiligo if it does not bother them. Cosmetic cover‑ups are also an option.

Self-care at home

• Protect all skin (especially the white patches) from the sun with a high‑SPF sunscreen (SPF 30 or more) to prevent sunburn.
• Use camouflage makeup or self‑tanners to make patches less noticeable if you wish.
• Avoid tattoos or piercings on affected skin, as injury can trigger new patches.
• Moisturise regularly to keep the skin healthy.

Medical treatments

Doctors may prescribe topical creams that can help restore some colour (these are called corticosteroid creams or calcineurin inhibitors – your doctor will decide which is best). Light therapy (narrowband UVB) can also help stimulate pigment cells. In some cases, oral medications or laser treatment are options. Treatment is always individualised, and you should discuss the risks and benefits with your doctor.

When is surgery considered?

Surgery (like skin grafting or tattooing the pigment cells) may be considered if other treatments have not worked and the patches are stable (not growing) for at least a year. Surgery is not suitable for everyone and carries risks such as scarring or infection. Discuss with a dermatologist.

Living with this condition

Living with vitiligo involves protecting your skin from the sun, managing any emotional concerns, and deciding if and how you want to treat the patches. Most people adjust well and lead full lives.

Lifestyle tips

• Always wear sunscreen and protective clothing when outdoors.
• Consider using makeup or self‑tanner if you feel self‑conscious.
• Join a support group to connect with others who understand.
• Talk to friends, family, or a counsellor about your feelings.

Diet and exercise

No special diet is proven to treat vitiligo, but eating a balanced diet with plenty of fruits, vegetables, and whole grains supports overall health. Some people find that reducing stress (e.g., through exercise, yoga, or meditation) may help, as stress can sometimes trigger new patches.

Mental health and emotional wellbeing

Vitiligo can affect self‑esteem and body image, especially if the patches are on visible areas. It is normal to feel frustrated, sad, or anxious. If these feelings persist, talk to a healthcare provider or mental health professional. Remember: you are not alone, and many people with vitiligo live confidently.

Prevention

There is no known way to prevent vitiligo because it is an autoimmune condition. You cannot control your genetics or immune system. However, protecting your skin from sunburn and avoiding skin injuries may help reduce the risk of new patches appearing in someone who already has the condition.

Complications

If left untreated

• The white patches may continue to grow or spread, but this varies from person to person.
• Sunburn is more likely in the white areas because they lack protective pigment.
• Some people may experience emotional distress, low self‑esteem, or social anxiety.

Long-term outlook

Vitiligo is not life‑threatening and does not cause other health problems. Many people find that their patches stay stable for long periods. With available treatments and good sun protection, the condition can be managed effectively. Most people with vitiligo go on to live happy, healthy lives. There is always reason for hope.

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