Poison ivy rash is caused by an allergic reaction to an oily resin called urushiol (u-ROO-she-ol). This oil is in the leaves, stems and roots of poison ivy, poison oak and poison sumac. Poison ivy, poison oak and poison sumac are poisonous plants that can cause an itchy skin rash.
Learn how to identify them and treat your symptoms. Other common signs of poison ivy rash include swelling, itching, and blisters. Poison ivy rash is caused by contact with poison ivy, a plant that grows almost everywhere in the United States.
Poison ivy, poison oak, and poison sumac are allergenic plants with an oil called urushiol that typically causes an itchy, inflamed rash. The symptoms of poison ivy, oak, and sumac rash can look like other health conditions. Other plants and chemicals can cause a similar rash.
Make sure to see your healthcare provider for a diagnosis. How is poison ivy, oak, and sumac rash diagnosed? Your healthcare provider will ask about your symptoms and health history. WebMD provides information on allergies to poison plants -- poison ivy, oak, and sumac -- and how they're treated.
Poison ivy, oak, and sumac contain a substance called urushiol, which causes an itchy rash on people who touch it. See pictures and images, learn treatment, symptoms, and prevention, and learn to identify these poisonous plants. Poison ivy and poison oak have 3 leaves coming off a single stem.
Hence the saying: "leaves of 3, let them be." The leaves start out green, but they can turn red or brown. Even dead plants can cause the rash. POISON IVY SIGNS AND SYMPTOMS After contact with urushiol, approximately 50 percent of people develop signs and symptoms of poison.
Learn about the signs and symptoms of a poison ivy rash, as well as treatment options. Learn to identify poison ivy rash stages, symptoms, and treatments. Get timely care from +MEDRITE's urgent care centers near you.