A patient recently came into our dermatology clinic with a rash and a story similar to many others. He had been camping with friends a few days earlier and helped carry some logs to stoke the fire.

A poison ivy rash is caused by exposure to urushiol oil found in poison ivy, poison oak, and poison sumac plants. The rash itself is not contagious from person to person. The rash can appear to spread ...

Poison ivy belongs to the same plant family, Anacardiaceae, as mangos and cashews. All three of these plants produce urushiol, the compound that causes the itchy rash. People who chew the mango flesh ...

It may only seem like there's more poison ivy this year. "I would say the number of requests for identification and control information for poison ivy has been consistent over the decade that I have ...

Poison ivy has leaves in groups of three, a green or reddish tint, and a hairy vine. A poison ivy rash looks like small, red bumps that can sometimes progress into blisters. To avoid poison ivy, wear ...

Poison ivy is a plant that can cause severe inflammation of the skin, or contact dermatitis. The plant contains a sap that triggers delayed irritation if it comes into contact with the skin. Also ...