Leishmaniasis By Chelsea Marie, PhD, University of Virginia; William A Petri, Jr, MD, PhD, University of Virginia School of Medicine Reviewed / Revised Dec 2022 View Patient Education Etiology Pathophysiology Symptoms and Signs Diagnosis Treatment Prevention Key Points More Information Topic Resources Leishmania Life Cycle Cutaneous Leishmaniasis Mucosal Leishmaniasis Leishmaniasis is caused by species of Leishmania.