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A member asked:

If you were going to have an anaphylactic reaction to something, how long after exposure will it occur? what's the longest it can take?

A doctor has provided 1 answer
Dr. Michael Finkelstein answered

Specializes in Internal Medicine

Its: Usually fairly quick seconds to minutes.

Dr Altman and another doctor agreed

Answered 9/28/2016

4k views

Thank

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