A member asked:

Microbid: is it sulfa or penicillin?

2 doctors weighed in across 2 answers
Dr. Joel Gallant answered

Specializes in Infectious Disease

Neither: I think you mean Macrobid (nitrofurantoin), which is neither a sulfa drug or a penicillin.

Answered 6/27/2014

4.9k views

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Dr. George Klauber answered

Specializes in Pediatric Urology

Neither: Macrobid is Nitrofurantoin in longacting macrocrystal form. Has nothing to do with either sulfa or penicillin.

Answered 12/29/2019

4.7k views

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