Ireland
A 34-year-old female asked:
How long does it take for macrodantin (nitrofurantoin) to work for a kidney infection ?
1 doctor answer • 4 doctors weighed in

Dr. Roy Arnoldanswered
Internal Medicine 49 years experience
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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3.1k viewsReviewed >2 years ago
Last updated Nov 28, 2017
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