A member asked:

I had an allergy shot two days ago. had a site reaction larger than a half dollar-remains.today woke up with hives on body and face. related?

A doctor has provided 1 answer
Dr. John Chiu answered

Possible: Allergy shots may be associated with a late-phase reaction which comes on several hours after (local reaction). But it is highly unusual to develop hives 2-3 days later. I suspect that something like a viral infection may be the cause for your hives.

Answered 8/25/2016

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