OverviewA wart is a benign skin growth caused by a virus. They may occur anywhere on the body but are frequently seen on the hands, feet, and face (areas of frequent contact). Over-the-counter medications are often effective in removal of warts.
Review Date 10/24/2016
Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.