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URL of this page: //medlineplus.gov/ency/imagepages/1416.htm

Tick - deer engorged on the skin

Tick - deer engorged on the skin

Overview

This is an engorged deer tick (Ixodes dammini) embedded in the skin of a human host. In the United States, these ticks are the primary source of Lyme disease. (Image courtesy of the Centers for Disease Control and Prevention and M. Fergione.)

Review Date 3/16/2024

Updated by: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Associate in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.