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A member asked:
What causes sudden heated blush and swelling of various areas of the hand, knuckles, and fingers?
A doctor has provided 1 answer
Rash: That sounds like urticaria, but is hard to tell by description only. Urticaria is a reaction to various things and is usually itchy. Antihistamines work the best, but if worsening or any facial swelling or difficulty breathing please see a physician, and it's best to go right to the er if that seems to be happening. We only figure out what causes it 25% of the time. Check online for pictures.
Answered 9/28/2016
4.3k views
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