Can Pollen Allergies Cause Hives?
Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
Alternative Names
Urticaria
Causes, incidence, and risk factors
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...
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