Oral metronidazole tablets can be inserted directly into the vagina, its main treatment for trichomoniasis, you can apply 0.4mg orally twice a day and then insert 2 tablets in the vagina at night for 7 days, generally trichomoniasis will be cured. However, there may be gastrointestinal reactions must be taken after meals, and alcohol must never be consumed during the treatment period. This drug affects the metabolism of alcohol, and toxic reactions may occur if alcohol is consumed. When treating trichomoniasis, both men and women must be treated at the same time. The vast majority of this disease is transmitted through sexual intercourse to avoid cross-infection.