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

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 ...

EXCLUSIVE: Sam Richie sent a picture to some of her friends who are nurses and they didn't think it was bad but in the back ...

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your ...

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 ...

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 ...

Infants can develop allergic reactions for various reasons, as they have sensitive skin and are more likely to develop a rash from even slight irritation. The following are common kinds of ...

A new study reveals scratching a rash has upsides -- along with the ... comes into contact with a substance that causes an allergic reaction, such as poison ivy or metals like nickel in jewelry.

Fabric softener and dryer sheets can cause itchy, irritant reactions. "You see rashes in places that are covered by clothing and relative sparing where the clothing is not," says Amy Newburger ...

"While it is not a true allergy, cold urticaria is often referred to in everyday language as an allergic reaction to cold. "It is a rare condition that results in rashes or hives." ...