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Home > Patients & Visitors > Health Library > Cottonmouth (Water Moccasin)
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
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.
June 6, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
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North Kansas City Hospital.