Oh no, I’ve gotten into poison oak, poison ivy, or poison sumac. What do I do?

A topical post based on recent experience, unfortunately. Poison ivy, poison oak, and poison sumac are common plants in the genus Rhus, found throughout the United States and in Africa, often near hiking trails. Four in five people are allergic to urushiol, a compound found in the plant’s sap that causes a itchy and painful allergic rash on the body in …