http://www.medications.com/effect/view/37861 One week ago tomorrow, I was diagnosed with BOTH a yeast infection (my first) and a bacterial infection. The doctor gave me the generic forms of Diflucan and Flagyl. I think this medication is interfering with my sleeping. I've been taking 500 mg 2x/day for Fri, 10 Jul 2009 15:02:36 -0400 http://www.medications.com/effect/view/37861?item=21349 Metronidazole is usually prescribed for bacterial infections, not yeast infections. I have had both infections at the same time and have always had two different kinds of meds. Maybe you should ask your doctor for the one time yeast infection pill. its http://www.medications.com/effect/view/37861?item=21349