Poison

A rash from poison ivy, poison oak or poison sumac is caused by an oil found in these plants called urushiol (you-ROO-shee-all). When this oil touches your skin, it often…

Poison ivy rash - Symptoms and causes - Mayo Clinic
Poison ivy, oak, and sumac | American Academy of Dermatology

Picture of Rash from Poisonous Plants. Poison ivy, poison oak and poison sumac are plants that contain an irritating, oily sap…