Source: U.S. National Park Service.
The copperhead is a poisonous (venomous) pit viper found in central and eastern North America. Copperheads may leave distinctive double marks on the skin. They leave one, two, or three puncture marks on the skin, but you won't always see any marks.
Last Revised: June 6, 2012
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
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