If you are experiencing a medical emergency please dial 911 immediately
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.
Water moccasins can be up to 6 ft (2 m) long and have:
Symptoms of a cottonmouth bite usually appear from minutes to hours after a bite and can include:
If you think you have been bitten by a water moccasin, call 911 or other emergency services immediately.
|Primary Medical Reviewer||William H. Blahd, Jr., MD, FACEP - Emergency Medicine|
|Specialist Medical Reviewer||Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist|
|Last Revised||June 6, 2012|
Last Revised: June 6, 2012
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