Leishmaniasis is seen in the United States mainly in people who have traveled outside the U.S. There are several different types of leishmaniasis, but all are transmitted by the bite of a sandfly. An initial sore develops at the site of the bite, as shown here. The infection may spread through the body from that point.
Review Date 9/1/2021
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 Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.