Cottonmouth (Water Moccasin)

Cottonmouth (Water Moccasin)

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.

Current as of: June 26, 2019

Author: Healthwise Staff

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