Sarah, a 25-year-old woman, presents with a thin, white, malodorous vaginal discharge, described as “fishy,” particularly after sexual intercourse. She also reports mild vaginal irritation. A pelvic examination reveals homogenous white vaginal discharge. Microscopy and culture confirm a diagnosis of bacterial vaginosis, characterized by a decrease in lactobacilli and overgrowth of anaerobic bacteria. Which of the following correctly describes the treatment guidelines for this disorder?
