a prospective , randomized , nonblind study was performed to compare the efficacy of a 7-day vaginal regimen with 500 mg metronidazole ( flagyl ) once a day and that of oral treatment with 400 mg metronidazole twice daily for 7 days in the treatment of nonspecific bacterial vaginosis .
C0025872
metronidazole
C0085166
bacterial vaginosis