Culture urine: Keflex isn't the best antibiotic for a UTI. Its possible that the bacteria causing the infection is resistant to Keflex. A urine culture will tell you what the organism is and what antibiotics will treat it. Taking a Bactrim (sulfamethoxazole and trimethoprim) or Macrobid just after each episode of intercourse will stop frequent UTIs in most women. Thrush is hard to get rid of. It may take several weeks of treatment...
Answered 12/13/2015
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