Warts are non cancerous, contagious, tumors caused by a virus in the outer skin layer. They occur most often on the fingers, hands and arms, but can occur anywhere. They are most common in children and young adults between ages 1 and 30.
Plantar warts develop on the sole of the fool. Pressure from the body weight makes the warts grow inwards. Plantar warts do not tend to spread and are not contagious.
Causes of Warts
Warts are caused by an invasion of the outer skin layer , the epidermis, by the papilloma virus. This virus stimulates cells to grow more rapidly. By adulthood, 90% of all people have had at least one wart infection.
Signs and Symptoms of Warts
Symptoms include a small, raised bump on the skin. They begin as small (1mm to 3mm) lumps and progressively grow larger. Warts have a rough surface and clearly defined borders and appear to have the same color as the skin. Sometimes, however, their color may become darker. Warts often appear in clusters around a mother wart. If you cut into the wart surface, you will see small black dots or bleeding points. In general, warts are painless and donít itch. However, those that occur on the soles of the feet typically cause pain when putting weight on the affected foot.
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Medical Content Last Updated on 07/12/2008
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