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 Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine

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

Current as ofNovember 20, 2015

Current as of: November 20, 2015

Author: Healthwise Staff

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