Metronidazole Tablets are not available for vaginal administration, and there are no research data on the drug’s effects when administered through the vagina. Metronidazole tablets have anti-anaerobic properties and are usually administered orally or rectally for the treatment of intestinal amebiasis, pouch worm disease, trichomoniasis, and anaerobic infections, but not by the vaginal route. Adverse reactions such as nausea and loss of appetite may occur after administration, and it is contraindicated in patients with active central nervous system disorders and blood disorders. Metronidazole vaginal suppository is a vaginal drug, can be used to treat trichomonas vaginitis, bacterial vaginosis and other diseases, the adverse effects of the drug is not clear, the patients who are allergic to metronidazole are prohibited. The body after the symptoms of discomfort should be timely medical treatment, under the guidance of the physician to choose the appropriate drugs, strictly comply with the doctor’s instructions for the use of medication.