OverviewErythema multiforme lesions are often referred to as target lesions because of the concentric rings the lesions produce. The "target" appearance is well demonstrated in this photograph.
Review Date 8/21/2016
Updated by: Denis Hadjiliadis, MD, MHS, Paul F. Harron, Jr. Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.