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 often grows in cities and suburbs, not just forests. It appears in every U.S. state except Alaska and Hawaii. If you are not sure whether a plant is poison ivy, stay away anyway to keep ...

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 ...

A poison ivy rash will last at least a week and likely more if you've never been exposed before. If you come into contact with poison ivy, the rash will typically appear within 12-48 hours. In order ...

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 ...