Overview
Ringworm is a fungal infection of the skin. It usually produces a ring-shaped lesion which appears to clear in the center. The edges of the lesion may be slightly raised and often itch. Central clearing can be seen in some of the infected areas on the leg of this person.
Review Date 4/1/2025
Updated by: Elika Hoss, MD, Assistant Professor of Dermatology, Mayo Clinic, Scottsdale, AZ. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.