Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

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

An allergic reaction, or when your immune system overreacts to a harmless substance, can sometimes manifest in the form of a rash. An allergy rash can be uncomfortable and lead to infections ...

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

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

However, a chlorine rash is a reaction to coming into contact with chlorine, while swimmer’s itch is caused by an allergic reaction to microscopic parasites that live in bodies of fresh or salt ...

Allergic reactions to mold can be immediate or delayed, so it can be hard to identify mold as the source of a new rash or ...

These systemic reactions—as well as those linked to surgical tools and medications—are relatively common. Rashes are one type of these reactions that can develop after surgery for various reasons.

The U.S. Food and Drug Administration on Wednesday warned about the risk of a rare but serious allergic reaction with the use of some multiple sclerosis drugs including Teva's Copaxone.

The difference between this and an allergic reaction was exemplified in patients who had both irritant and allergic reactions at the same time (see Fig 3). Additionally, patients that had ...

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

If you love to scratch an itchy rash, good news! A new study reveals scratching a rash has upsides -- along with the downsides your mom warned you about.