A member asked:

If an e coli urinary tract infection showed to be susceptive to norfloxacine, why did the doctor prescribed me ofloxacine, i feel its not working.

3 doctors weighed in across 2 answers

Cousins: These two antibiotics are "cousins" as they are both in the same family, the fluoroquinolones. If one would work, the other most likely would.

Answered 12/10/2015

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Similar drugs: These two meds are very similar and reasonable substitutes for each other. If treatment for a UTI does not result in improvement after several days then a reevaluation is warranted.

Answered 1/5/2019

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