Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Poison sumac is considered more allergenic than poison ivy and poison oak, which are other well-known plants in the Toxicodendron genus of the sumac family. Poison sumac releases an oil known as ...

An Arkansas tree cutter who made jars of the lethal poison ricin on his rural property was sentenced to eight years in prison for possessing a biological agent infamously known for being one of ...

Considering taking supplements to treat poison oak and poison ivy dermatitis? Below is a list of common natural remedies used to treat or reduce the symptoms of poison oak and poison ivy dermatitis.