Learn what poison ivy looks like, how to avoid it, and what to do if you're allergic. Poison ivy, poison oak, and poison sumac are among the most common causes of contact dermatitis in the U.S. See pictures of what a poison ivy rash looks like and find out how to treat it.
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 causes millions of itchy rashes every year, yet many people can't identify the common plant.
Learn what poison ivy looks like in every season. Why does the rash from poison ivy, oak, or sumac spread? While it may look like the rash is spreading, what's most likely happening is that you're developing one or more new rashes. 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. 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.
Knowing what poison ivy, oak, and sumac look like can help you avoid plants that cause itchy, red, and painful rashes. See these poison ivy pictures to. Poison ivy, poison oak, and poison sumac can cause an allergic reaction when someone comes in contact with the plant's oils.
The resulting rash appears one to three days after contact and may crust or ooze. Home remedies for the rash include applying cool compresses and calamine lotion, soaking in an Aveeno bath, and taking oral antihistamines. Poison ivy, poison oak, and poison sumac are allergenic plants with an oil called urushiol that typically causes an itchy, inflamed rash.