Identifying Poison Ivy, Oak, and Sumac The first step in dealing with these plants is proper identification. Each plant has distinct characteristics that can help you recognize and avoid them.

Learn how to identify poison ivy, oak, and sumac plants and the rashes they cause. Your child was playing outside (yes!) but ...

All parts of the plant, including roots, can cause an allergic reaction year-round, according to the American Academy of Dermatology. Poison oak is commonly confused with poison ivy, but the two ...

Poison ivy, poison oak, and poison sumac are three of the most common causes of allergic contact dermatitis in the U.S. They all contain an oil called urushiol, which triggers an allergic reaction ...