Metronidazole tablets can be used with diazoxide suppositories, but the combination of metronidazole suppositories and gels with diazoxide suppositories should be avoided without necessity. Metronidazole is an antianaerobic and antitrichomonas drug. Commonly used dosage forms include tablets, suppositories, gels, etc. It is used for the treatment of intestinal and extra-intestinal amebiasis, as well as for the treatment of vaginal trichomoniasis, pouch worm disease, etc. It is also widely used in the treatment of anaerobic infections. Ditazole suppositories are antibacterial drugs, the main ingredients of which are metronidazole, clotrimazole, chlorhexidine acetate, etc. They are suitable for the treatment of bacterial vaginosis, trichomoniasis, mycosis fungoides as well as mixed infectious vaginitis. Metronidazole tablets are for oral use, and diazoxide suppositories are for vaginal administration, and the two can be used jointly under the guidance of a doctor without affecting the therapeutic effect of the drug. However, it should be noted that during the taking of metronidazole tablets should abstain from alcohol, and should follow the doctor’s instructions for medication, not to arbitrarily increase the dose of the drug, in order to avoid the emergence of convulsions and other serious effects. And metronidazole suppositories and gels are vaginal drugs, and double tylenol suppositories contain metronidazole components, therefore, without the need for the best not to use together, so as not to long-term high dose of metronidazole absorbed through the mucous membranes and the emergence of serious abnormal symptoms. Metronidazole and double tylenol suppositories need to be used together, need to consult a doctor in advance, the patient can not blindly use on their own, so as to avoid serious effects, aggravate the disease.