A 31-year-old female asked:
i'm taking keflex 500 mg twice a day for 10 days to treat a sinus infection. will this help and is this enough?
1 doctor answer
Dr. Susan Rhoads answered
37 years experience Family Medicine
It could be.: It might. I use a higher dose, but some docs don't. If you have seen no improvement at all (even just a decrease in color of mucus) after 5 days, call MD and discuss. Keflex can help many causes of sinusitis, but not all.
Answered on Oct 18, 2015
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