Understanding Poison Ivy Oil and Its Effects Poison ivy, poison oak, and poison sumac all produce urushiol, a sticky, l ...

Where you are located may affect where you'll find poison ivy outside; eastern poison ivy can grow in the ground but can also ...

Allergic contact dermatitis happens due to an allergic reaction to a particular substance, such as poison ivy or nickel. With both allergic and irritant contact dermatitis, symptoms usually ...