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A member asked:
What are these little red welts on my legs that don't itch, or hurt, but they appeared over night?
A doctor has provided 1 answer
Urticaria: 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(urticaria) are a common reaction, especially in people with other allergies such as hay fever. When swelling or welts occur around the face, especially the lips and eyes, it is called angioedema.
Answered 11/2/2017
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