Bacterial vaginitis can be treated with oral metronidazole tablets. Metronidazole is an anti-anaerobic drug, bacterial vaginitis can be treated by metronidazole tablets orally or metronidazole suppositories vaginally. Bacterial vaginitis is caused by a variety of pathogenic bacteria, can be manifested as increased vaginal discharge, accompanied by a peculiar odor, fishy smell, but also vaginal itching and vaginal burning sensation. And metronidazole tablets have the role of anti-anaerobic bacteria, can inhibit the growth and reproduction of bacteria, so patients with bacterial vaginitis can take oral metronidazole tablets or metronidazole suppositories vaginally, specifically by the judgment of a professional doctor. It is recommended that patients use medication under the guidance of a doctor to avoid blind use of medication. Gastrointestinal discomfort may occur during the administration of the drug, such as nausea, vomiting, loss of appetite, etc. Occasionally, there are symptoms of numbness in the limbs. It is prohibited for patients who are allergic or suffering from central nervous system disorders and blood diseases.