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Cottonmouth (Water Moccasin)

Photograph of a cottonmouth.

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
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
Last Revised June 18, 2010

Last Revised: June 18, 2010

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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