Bacterial vaginosis, which occurs mostly in adults, can be treated with metronidazole as a single oral dose of 2,000mg or 400mg twice daily for about 7 days. Metronidazole is mainly used to fight anaerobic bacteria, amoeba protozoa, Trichomonas vaginalis and other pathogens, clinically used for anaerobic infections, trichomoniasis, amoebiasis, bacterial vaginosis and so on. For patients with bacterial vaginosis, you can take 2000mg of this product orally in a single dose, or 400mg twice a day for about 7 days, which can effectively control the infection. The adverse reactions of this product include allergic reaction, dizziness, visual impairment, skin rash, etc. It is prohibited for those who are allergic to this product and women in the first trimester of pregnancy. Please use the medicine according to your condition under the guidance of your physician, do not take the medicine blindly.