Human papillomaviruses can live on healthy skin
without causing infection. But when a human papillomavirus enters the body
through small breaks in the skin, it can infect the skin cells beneath the
surface, causing a
wart to grow.
A wart can take many months to grow before
it becomes visible.
newer ones, are easily spread. They can spread to other parts of the body or to
other people. You can reinfect yourself by touching the wart and then another
part of your body. You can infect other people by sharing towels, razors, or
other personal items.
Common and flat warts can sometimes spread to
the genitals and
anus, especially in children.
warts can be pushed beneath the skin's surface by pressure from standing and
walking. A thickening of the skin slowly forms over most of the wart and looks
and feels like a callus.
Periungual warts can affect nail
It may be hard to get rid of warts after they develop. But
they generally go away on their own within months or years.
Just before warts disappear on their own, they
may turn black.