Warts

Warts are small, self-limited tumors caused by one of over 100 types of human papillomaviruses (HPVs). The clinical forms of warts include common warts, flat warts, plantar warts, periungual warts, and filiform warts.

Causes

Warts are caused by the human papillomavirus (HPV), a DNA virus that affects the skin and the moist membranes lining the body. There are more than 100 types of HPV, and different types affect different areas of the body and cause different types of warts.

Types

There are several types of warts, including:

• Common warts: These most often occur on the hands, but can appear anywhere.
• Flat warts: These are generally found on the face and forehead. They are common in children, less so in teens, and rare in adults.
• Plantar warts: These grow on the soles of the feet.
• Periungual warts: These occur under and around the fingernails and toenails.
• Filiform warts: These usually grow around the mouth, nose, and beard area.

Treatment

Treatment of warts depends on several factors, including the type of wart, its location, and the patient's age and overall health. Common treatments include salicylic acid, cryotherapy, and surgical removal.

Prevention

Prevention of warts can be achieved by avoiding direct contact with warts, as well as not picking at a wart. Vaccination against HPV can also prevent certain types of warts.

See also

• Human papillomavirus
• HPV vaccine
• Cryotherapy
• Salicylic acid

Warts Resources
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