4 doctors weighed in:

How long does it take for macrodantin (nitrofurantoin) to work for a kidney infection ?

4 doctors weighed in
Dr. Roy Arnold
Internal Medicine
3 doctors agree

In brief: Usually 24-48 hours

Meanwhile you should drink plenty of fluids and take OTC Azo for the burning on urination.
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In brief: Usually 24-48 hours

Meanwhile you should drink plenty of fluids and take OTC Azo for the burning on urination.
Thanks for trusting HealthTap!
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