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.

Arizona has around 300 kinds of plants that can be toxic or even fatal if you or your dog eat or touch them. Here's where to ...

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

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 ...

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

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 ...

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

Scratching an itchy rash worsens inflammation by triggering pain-sensing neurons and activating mast cells, creating a ...

Q. What causes rashes? A. The most common cause of a rash is contact dermatitis, an inflammation of the skin that comes from direct contact with irritants or allergens. A red, itchy rash from ...

It was a hot summer day and Natalie Wills was needed across the field to help her cousin. Without a second thought, she hopped onto the four-wheeler like she would have done any other day. But ...

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 ...

New research published in the journal Science uncovers how scratching aggravates inflammation and swelling in a mouse model ...