A member asked:

If i had an allergy to a certain medication, could the reaction stay the same or progress over a course of 10mos? i think this is what's wrong with me

A doctor has provided 1 answer
Dr. John Chiu answered

Unclear question.: Once you are allergic, the reaction tends to be more intense 10 months later. Having said that , some people do lose their penicillin allergy after no contact with the drug for >5 years. However sulfa allergy will likely last forever. The response depends on drug . Many drug reactions are from intolerance which will likely persist. Your allergist will be the one to help you sort out these issues.

Answered 11/15/2014

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