Snapshot A 23-year-old woman presents to her gynecologist for a wellness exam. She reports that she has been having a “fishy” vaginal odor for the past 3 days. She endorses to recently being sexually active with a new partner and does not use barrier contraception. Physical examination is notable for gray vaginal discharge that has a fishy odor. Nucleic acid amplification testing for gonorrhea and chlamydia is negative. An amine whiff test enhances the fishy odor. Vaginal fluid pH is > 4.5. There are clue cells with a stippled appearance on the outer margins on microscopic testing of the vaginal fluid. She is started on metronidazole. (Bacterial vaginosis) Introduction Mechanism of action login to view 2 more bullets Clinical use login to view 10 more bullets Adverse reaction login to view 3 more bullets