They are frequently caused by improper nail trimming, but also by shoe pressure, injury, fungus infection, heredity, and poor foot structure. Toenails should be trimmed straight across, slightly longer than the end of the toe, with toenail clippers. Warts are caused by a virus, which enters the skin through small cuts and infects the skin. Children, especially teenagers, tend to be more susceptible to warts than adults. Most warts are harmless and benign, even though painful and unsightly.
Warts often come from walking barefooted on dirty surfaces or littered ground.
There are several simple procedures which your podiatric physician might use to remove warts.