If you are experiencing a medical emergency please dial 911 immediately
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.
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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