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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.

ByHealthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist

Current as ofNovember 20, 2017

Current as of: November 20, 2017

Author: Healthwise Staff

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