preventing wart
Informed by recognized medical guidance
Overview
Warts are small, rough growths on your skin caused by a virus. They are usually harmless and often go away on their own.
Key facts
- Warts are not cancerous and rarely cause serious harm.
- They are contagious and can spread from person to person.
- There are many treatment options, and most warts can be removed.
Very common. Most people will have a wart at some point in their lives.
Warts can affect anyone, but they are especially common in children and teenagers. People with weakened immune systems are also more likely to get them.
Symptoms
- No wart requires emergency care, but call your local emergency number if you have severe pain, spreading redness, fever, or signs of a serious infection.
- ⚠If you have a weakened immune system and a wart becomes painful, swollen, or oozing, see a doctor the same day.
- ⚠If a wart changes quickly in size, color, or shape, seek urgent medical advice.
Common symptoms
- Small, rough bump on the skin
- Flesh-colored, pink, or slightly darker than your skin
- May have tiny black dots (which are tiny blood vessels)
Symptoms in children
- Warts often appear on hands, fingers, and knees
- They rarely cause pain unless on the bottom of the foot
- Children may have several warts that spread easily
Symptoms in older adults
- Warts can be more stubborn and last longer
- Changes in a wart's appearance should be checked by a doctor
- Older adults are more likely to have other skin growths, so a doctor should confirm what it is
Causes
Main causes
- Warts are caused by the human papillomavirus (HPV).
- The virus enters the body through tiny cuts or breaks in the skin.
Risk factors
- Touching warts on yourself or another person
- Walking barefoot in public showers, pools, or gyms
- Biting your nails or picking at hangnails
- Having a weakened immune system
When to see a doctor
See a doctor urgently if:
- Same-day care if you have a weak immune system and a wart shows signs of infection (redness, swelling, pain).
- Urgent if you are not sure the growth is a wart and you have other symptoms.
Book a routine appointment if:
- See a doctor if a wart is painful, grows, spreads, or changes in appearance.
- If you are an adult with a new wart, a doctor can confirm the diagnosis.
- If over-the-counter treatments have not worked after several weeks.
Diagnosis
A doctor can usually tell if a growth is a wart just by looking at it. They may use a handheld magnifying lens to see it more closely.
Tests that may be done
- Most warts do not need tests.
- In rare cases, a doctor may take a small sample (biopsy) to rule out other conditions.
What to expect at your appointment
The visit is quick and painless. The doctor will examine the wart and ask about your symptoms and any history of warts.
Treatment
There is no single best treatment for warts. The right option depends on the location, size, and your overall health.
Self-care at home
- Keep the wart covered with a bandage to prevent spreading.
- Do not pick, scratch, or bite the wart.
- Use a pumice stone gently to smooth the wart after soaking it in warm water.
Medical treatments
Your doctor can offer treatments such as freezing the wart (cryotherapy), laser therapy, or prescription topical creams and solutions. All options work gradually, and you may need more than one visit.
When is surgery considered?
Surgery to cut out a wart is rarely needed. It may be considered for warts that do not respond to other treatments.
Living with this condition
Warts can be managed at home. Keep the skin clean and dry, and avoid sharing personal items like towels, socks, or nail clippers.
Lifestyle tips
- Wash your hands after touching a wart.
- Wear waterproof sandals or flip-flops in public showers and pool areas.
- Do not shave over a wart to avoid spreading it.
Diet and exercise
Eating a balanced diet and getting regular physical activity can help your immune system, which may help fight the virus that causes warts.
Mental health and emotional wellbeing
Warts can feel embarrassing, but they are very common and treatable. If you feel upset about them, talk to your doctor or a trusted friend.
Prevention
It is not always possible to prevent warts, but you can lower your risk by avoiding close contact with warts and keeping your skin healthy.
Vaccines
The HPV vaccine helps protect against certain types of HPV that cause warts and other health problems. Ask your doctor about it.
Screening programmes
There is no routine screening for warts. Checking your skin and seeing a doctor if you notice a new growth is a good habit.
Complications
If left untreated
- The wart may spread to other parts of your body or to other people.
- Warts on the feet can become painful when you walk or stand.
Long-term outlook
Warts are often stubborn, but most go away within a year or two. Treatments can remove them faster, and even when they come back, they can be treated again. For most people, warts are a minor skin issue that improves.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
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Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.