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A member asked:
How long does a penicillin allergy rash take to clear?
A doctor has provided 1 answer
Up to 30 days: Drug allergies can resolve in a few days and may persist for several weeks until the residual penicillin by products are cleared from body.
Answered 6/20/2021
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How long does it take a rash due to a penicillin allergy to clear?
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