Bacterial vaginitis medication, there are usually guidelines to recommend medication, with metronidazole is usually last for 7 days, some people metronidazole eat after the gastrointestinal reaction is more, you can use clindamycin 7 days. There are some people who use tinidazole and so on, with 3-5 days to see its dose to decide. The side effect of metronidazole is that the gastrointestinal tract reaction will be greater, many people eat after nausea and vomiting, the gastrointestinal tract reaction is heavy, may be poor appetite. During the treatment period, sexual intercourse, tub bathing and swimming are forbidden. Pay attention to keep the vulva clean, pay attention to sexual hygiene, and avoid vaginal douching.