Poison ivy, poison oak, and poison sumac are three plants notorious for causing itchy, uncomfortable rashes that can turn a pleasant outdoor experience into a nightmare.

If you have a red rash on your hands, arms, or legs that's accompanied by intense itching, you may have had a brush with poison ivy. Here’s what to do if you think you’ve been exposed to the ...

In severe cases, a doctor may prescribe oral corticosteroids, such as prednisone, to treat poison ivy rash. These medications may provide rapid and steady relief from symptoms. Poison ivy rash can ...

Learn how to identify poison ivy, oak, and sumac plants and the rashes they cause. Your child was playing outside (yes!) but ...

Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research ...

An curved arrow pointing right. Only 10% to 20% of Americans aren't allergic to poison ivy's rash-inducing oil, urushiol. Rising atmospheric carbon dioxide levels are causing poison ivy leaves to ...

Scratching an itchy rash really does make it worse. Now we know why, thanks to new research published today in the journal ...

Contact with any part of the poison oak plant can cause an intensely itchy, blistering rash. Washing immediately with water and a mild soap or apply rubbing alcohol may help lessen symptoms.

As more people venture outside to enjoy warm weather, knowing how to identify and avoid poison oak could help to avoid a future of headaches and itchy red rashes ... with poison ivy, but the ...