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.

ByHealthwise Staff

Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine

Specialist Medical ReviewerSean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist

Current as ofMarch 20, 2017

Current as of: March 20, 2017

Author: Healthwise Staff

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