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A 48-year-old member asked:

How long for nitrofurantoin uti antibiotics to kick in?

1 doctor answer3 doctors weighed in
Dr. Martin Raff
Infectious Disease 58 years experience
UTI: The action of this antimicrobial is very rapid, but the symptoms, which are a result of inflammation due to the infection, may persist for a day or two. If they persist for a longer time period see your doctor about a possible need to change antibiotics.
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Last updated Jul 8, 2018

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