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
Distinctive white coloring inside the
Pitlike depressions behind the nostrils.
triangular head with slit-shaped pupils and fangs.
A single row of
plates or scales on the undersurface of the snake, including the tail.
Symptoms of a cottonmouth bite usually appear from minutes to
hours after a bite and can include:
Severe, immediate pain with rapid
Discoloration of the skin.
Difficult or rapid
Changes in heart rate or rhythm.
rubbery, or minty taste in the mouth.
Numbness or tingling around
the mouth, tongue, scalp, feet, or the bite area.
If you think you have been bitten by a water moccasin,
call911or other emergency services immediately.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
September 09, 2014
This information is not intended to replace the advice of a doctor.
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