Metronidazole suppositories can be used for trichomoniasis and bacterial vaginitis, especially trichomoniasis. It is absolutely forbidden to have sex during the medication because trichomoniasis can be transmitted through sex, and most of them are transmitted through sex. If you have intercourse during the medication, it will lead to repeated trichomonas infections between the couple. On the other hand, it may affect the effect of the drug and aggravate the vaginal inflammation, so you should not have intercourse during the use of metronidazole suppositories, but only after the vaginal inflammation is cured. During the period of using metronidazole suppositories, you should also prohibit the consumption of spicy and stimulating food, pay attention to rest, pay attention to the cleanliness of the vulva, do not wear tight-fitting clothes, chemical fiber clothing and pants, and change underwear and underwear regularly.