Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
When you have an allergic reaction to a substance, your body releases histamine and other chemicals into your bloodstream. This causes itching, swelling, and other symptoms. Hives are a common reaction, especially in people with other allergies such as hay fever.
When swelling or welts occur around...Read more
People often ask questions here about itching in the throat, mouth and nose. While it's true that this type of itching is frequently... Read more »