Which treatment would be least appropriate for a diagnosed bacterial vaginosis?

• A. Intravaginal clotrimazole pessary
• B. Tinidazole
• C. Metronidazole oral
• D. Clindamycin vaginal cream

Answer: (A)

Bacterial vaginosis is a dysbiosis of the vaginal flora driven by anaerobic bacteria rather than fungi. Treatments aim to reduce the anaerobic bacteria and restore healthy lactobacilli. An intravaginal clotrimazole pessary is an antifungal agent that targets yeast infections (Candida) by disrupting fungal cell membranes. Because BV is not caused by a fungus, this approach does not address the underlying bacterial overgrowth and is therefore not appropriate as primary therapy. In contrast, metronidazole and tinidazole are antibiotics active against anaerobes implicated in BV, and clindamycin vaginal cream is also effective against the bacterial populations involved.