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Cottonmouth (Water Moccasin)

Photograph of a cottonmouth (water moccasin)

Source: U.S. National Park Service

The cottonmouth, also called a water moccasin, is a poisonous (venomous) snake found in southeastern and south central North America. They leave one, two, or three puncture marks on the skin, but you won't always see any marks.

By Healthwise Staff
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
Last Revised June 6, 2012

Last Revised: June 6, 2012

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist

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