A member asked:

Side effects of macrobid 100mg 1 capsule twice a day?

A doctor has provided 1 answer

Many: This antiseptic has close chemical similarity to diphenylhydantoin (dilantin), a drug with enough side effects to fill an entire textbook. Taken for brief periods this can be a highly effective agent against simple urinary tract infection, but would advise against long-term usage in most circumstances.

Answered 11/30/2018

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