Most adults are allergic to this plant and its relatives. Here’s how to prevent or minimize the rash. By Cameron Walker When out in nature, we all know you’re not supposed to wander into the bushes.

Anyone cleaning out overgrown areas or even just weeding should beware. Poison ivy (Toxicodendron radicans) may be growing among the plants you are handling. It pays to be able to identify this plant, ...

You’ve probably heard the phrase “Leaves of three, let it be.” But do you know other ways to protect yourself from poison ivy and similar plants? Keystone Infectious Disease’s Medical Director, Dr.

Poison ivy has three leaves, and the middle leaf has a longer stem. Touching poison ivy causes an allergic reaction due to urushiol oil. Poison oak and poison sumac are related to poison ivy and also ...