When skin touches poison ivy, poison oak or poison sumac plants, the oils from the plant can cause a rash. This rash can be ...

Medically reviewed by Keri Peterson, MD Key Takeaways Poison ivy, poison oak, and poison sumac have oils that cause itchy ...

Q: My doctor says that once you wash off poison ivy sap from the skin, you can’t spread it. If that’s right, then why is it that whenever I get poison ivy it seems to spread to other areas? A: The ...

We may receive a commission on purchases made from links. Urushiol -- a sticky oil produced by poison ivy, poison oak, and poison sumac plants -- causes nasty allergic reactions in about 85% of the ...

Have you ever spent a long day working in the yard, only to find yourself itching a red rash on your skin hours later? It’s probably poison ivy making its presence known. Poison ivy contains urushiol, ...

As temperatures in the First State start to increase, people will be spending more time outdoors. Whether gardening or hiking, Delaware residents need to be on the lookout for certain plants that will ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Have you ever spent a long day working in the yard, only to find yourself itching a red rash on your skin ...