This is a magnified view of a body louse. Lice produce itching and a characteristic skin rash, which looks like a scrape. Lice may also carry organisms that cause relapsing fever, typhus, and trench fever. (Image courtesy of the Centers for Disease Control and Prevention.)
Review Date 7/12/2019
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.