Occasional burning vulvar pain, vulvar swelling, vulvar skin itching, vulvar skin pimples, vulvar skin redness, occasional leukorrhea, and decreased white blood cells may occur after the use of ornidazole vaginal suppositories, although this drug is a suppository with a relatively low systemic absorption. Therefore, it is also necessary to pay attention to the systemic side effects of this drug, including causing nausea, mild stomach upset, bad taste in the mouth, elevated transaminases and bilirubin, and possibly tremors, numbness, tingling, pain in the extremities, and bleeding spots on the skin, and swelling and pain in the lower back. It is necessary to pay attention to the observation when using the medication, and to consult the doctor promptly if there is any abnormal performance. You should avoid intercourse during the treatment period and should not use this medicine during menstruation. Ornidazole vaginal suppositories are mainly used for the treatment of trichomoniasis and bacterial vaginosis and are vaginal suppositories, therefore they need to be administered vaginally.