The telltale itch begins subtly – perhaps a slight irritation on your arm or an uncomfortable warmth spreading across your chest. Before long, your skin erupts in patches of redness, bumps, or scales ...

Causes of a butt rash include your skin coming into contact with something irritating, infection, or having an allergic reaction. You may experience irritated, swollen skin that can be itchy, ...

Allergic reactions are a serious condition many Americans face due to an abnormal immune response in the body that, in some cases, can result in death. An allergic reaction occurs when the immune ...

You notice a rash appearing on your skin and your first instinct is probably to blame it on new laundry detergent, stress, or maybe something you ate. Most of the time, you’d be right – rashes are ...

Solar urticaria is a rare allergic reaction to sun exposure. The condition causes an itchy rash or hives that appear on any skin that has been exposed to the sun. The more skin that is exposed to ...

Aquagenic urticaria is an extremely rare type of hives (raised, itchy rash) triggered by contact with water. Some people call aquagenic urticaria "water allergy." Urticaria is the medical term for ...

Hives can occur anywhere on the body. However, exposed skin, such as arms and legs, may be more susceptible to external hives triggers such as allergens, heat, and pressure changes. Other common ...