Poison ivy: Poison ivy, poison oak and poison sumac are members of the plant genus toxicodendron. Exposure (brushing on clothes and the skin) any of them causes a rash called allergic contact dermatitis. Poison oak is most common west of the rockies, poison ivy to the east, and poison sumac in the southeast.
Answered 3/30/2020
5.7k views
5 doctors weighed in across 3 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question