How to Treat Poison Ivy and Poison Oak. Poison ivy, oak, and sumac are a great way to ruin a day in the outdoors. Coming in contact with their toxic leaves, stems, and roots can give you an itchy rash that lasts for weeks.
How to Get Rid of Poison Ivy Rashes. Poison ivy, and its cousins, poison oak and poison sumac, contain an oil (urushiol) which can give you a wretched rash. If you've suffered the unfortunate event of directly contacting a poison ivy plant.