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What causes flat warts?

Dr. Jeanne Morrison, PhD
Family Practitioner

Flat warts are one type of wart caused by HPV, human papillomavirus. There are over one hundred strains of HPV, a contagious virus that is spread to your body through a cut in your skin. It can spread by touch from one person's skin to another's. It can also spread to one part of your body to another, which is why you should avoid picking at a wart.

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Flat warts are most often seen on the face and are caused by the Human Papillomavirus interacting with broken or irritated areas of the skin. In adults, the irritation of shaving can promote the development of warts.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.