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Rattlesnakes are the most widely known of the pit
vipers (family Viperidae). They are found throughout the United States and
parts of Canada and account for most poisonous (venomous) snakebites in North
America. They leave one, two, or three puncture marks on the skin, but you
won't always see any marks.
Rattlesnakes can be up to
8 ft (2.5 m) long and
Symptoms of a rattlesnake bite usually appear from minutes to
hours after a bite and can include:
If you think you have been bitten by a rattlesnake,
call 911 or other emergency services immediately.
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerSean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
Current as ofJune 12, 2016
Current as of:
June 12, 2016
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Adam Husney, MD - Family Medicine & Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
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