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: 9/23/2019
Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Emeritus, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.