Warts Overview

Warts Overview

Warts, or verrucae (singular: verruca), are benign growths on the skin or mucous membranes that cause cosmetic problems as well as pain and discomfort. They are seen on people of all ages but most commonly appear in children and teenagers. The incubation period of a wart is 2 to 9 months following infection with the human papilloma virus (HPV), during which time an excessive proliferation of skin growth slowly develops. Fortunately, more than 50 percent of them disappear on their own within two years.

Warts Causes

More than 80 different types of HPV have been identified, and they have tropism (affinity) for different types of body tissue. Most types of HPV have an affinity for the skin and produce common warts (verruca vulgaris), flat warts (verruca plana), and plantar or foot warts (verruca plantaris). Several other types of HPV have an affinity for mucous membranes and some of these cause ano-genital warts (condyloma acuminata).

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HPV is passed from person to person by direct or indirect contact, and from one body location to another on the same person. The virus more easily enters the body through an area of skin that is moist, peeling, or cracked. Some types (e.g., condyloma acuminta) are transmitted sexually. The degree of contact, location of the lesions, the amount of virus present (newer warts tend to contain more viral particles than older warts), and the state of a person's immunity are among the factors that determine HPV infection.

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