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The Call-On-Doc Guide for Poison Ivy, Sumac, and Oak

Found in many parts of the United States, poison ivy, poison oak, and poison sumac are some of the many year-round hazards to be aware of when enjoying time outdoors. Affecting tens of millions of Americans each year with a rash, wildlife centers, camps, and parks often make an effort to educate visitors through signs and classes. While most cases will only result in a rash upon contact, around 10% to 15% of people are considered extremely allergic to the plants (1).

Varying slightly based on the region, poison ivy, sumac, and oak each have a relatively similar appearance throughout the United States, Canada, and parts of Mexico. It's thus important to be able to identify them. 

Nov 28, 2023

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