Bacterial Vaginosis Treatment Guidelines

First-Line Treatment Options

The Centers for Disease Control and Prevention recommends oral metronidazole 500 mg twice daily for 7 days as the standard treatment with excellent clinical efficacy 1
Alternative topical options include metronidazole gel 0.75%, one full applicator (5g) intravaginally twice daily for 5 days 1
Clindamycin cream 2%, one full applicator (5g) intravaginally at bedtime for 7 days is another effective first-line option 1, 2

Metronidazole 2g orally in a single dose has lower efficacy (84%) but may be useful when compliance is a concern 1
Clindamycin 300 mg orally twice daily for 7 days is another alternative treatment option 1
Flagyl ER (metronidazole) 750 mg once daily for 7 days is FDA-approved but has limited comparative data 1

Boric acid is not included in current CDC guidelines as a first-line treatment for BV 3, 1, 2
Safety data regarding long-term use of boric acid for bacterial vaginosis is limited 4

Patients must avoid consuming alcohol during metronidazole treatment and for 24 hours afterward to prevent disulfiram-like reactions 1
Follow-up visits are unnecessary if symptoms resolve after standard treatment 1, 2
Recurrence of BV is common, and alternative treatment regimens may be used for recurrent disease 1, 2
Routine treatment of sex partners is not recommended as clinical trials indicate that a woman's response to therapy is not affected by partner treatment 1, 2

Boric acid should not be used during pregnancy due to insufficient safety data 4