Impetigo is a superficial skin infection caused by either streptococci or staphylococci. Here it is on the buttocks, but it is seen more frequently in children on the face, upper chest, and arms. (Image courtesy of the Centers for Disease Control and Prevention.)
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.