Can antibiotics work for bacterial vaginosis?

Yes. Bv is a synergistic infection involving gardnerella and a number of other anaerobic bacteria. It is treated with Metronidazole oral or intravaginal treatment. Tinidazole and Clindamycin are alternatives. Oral and intravaginal probiotics containing lactobacilli can help.
Yes. There are several different antibiotics that are commonly prescribed for bacterial vaginosis. One is a vaginal ointment and others are pills taken by mouth. Most women with BV need an antibiotic to clear the infection. Bv is one of the common infections women get.