This is an individual's allergic response to the chemical and is therefore not considered to be contagious. However, if a person comes in contact with the oily chemical from an affected patient's skin or clothing, then the urushiol could be passed on and a poison ivy rash may develop in a second individual. read more
Poison ivy is simply an allergic reaction to the oily substance urushiol. Being a personal allergic response, poison ivy rash is not contagious. read more