This is a picture of Athlete's foot (tinea pedis). Tinea infection is caused by a fungus that grows on the skin, and is also referred to as ringworm. Cutaneous (skin) tinea infections are often named by their location such as pedis, meaning foot.
Review Date 4/16/2019
Updated by: Michael Lehrer, MD, Clinical Associate Professor, Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.