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A 22-year-old male asked:

Please help, how long after would anaphalaxis occur if i took amoxicillin? also, how rare is anaphalaxis wi to amoxicillin?

1 doctor answer2 doctors weighed in
Dr. Hunter Handsfield
Infectious Disease 55 years experience
When any drug causes anaphylaxis, it usually happens within a few minutes of the first dose. It is very rare, especially in people without known penicillin allergy.
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Last updated Aug 27, 2022

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