Ding fine toothache capsule and metronidazole tablets have no obvious drug interactions and can be taken together. But patients need to according to their own situation under the guidance of the doctor, the correct use of drugs. Ding fine toothache capsule has the effect of clearing heat and detoxification (removing heat and toxicity from the body), and relieving wind and pain. It is mainly used for wind-fire toothache, manifested as toothache, accompanied by swelling of the gums, and the pain is reduced by cool; or thirst for cool drinks, dry ulcer yellow, red tongue, thin yellow or white moss with little fluid, floating pulse or pulse string. Acute endodontitis, acute apical periodontitis with the above symptoms. Occasional mild gastric discomfort after fasting. Ding fine toothache capsule contraindications are not clear, it should be noted that during the drug avoid eating alcohol and spicy food, should not be taken during the drug at the same time take tonic Chinese medicine. With hypertension, diabetes and other chronic diseases such as serious people should not be used, children, pregnant and lactating women, old and weak, spleen deficiency and loose stools in the physician’s guidance to take. Metronidazole tablets are mainly used for the treatment of intestinal and extra-intestinal amebiasis, but also for the treatment of vaginal trichomoniasis, pouch worm disease and cutaneous leishmaniasis, guinea worm infections, etc., and is also widely used in the treatment of anaerobic infections. Adverse reactions such as nausea and vomiting, loss of appetite, abdominal pain, headache, vertigo, urticaria, pruritus, cystitis, dysuria, sensory abnormalities, numbness of the limbs, ataxia, polyneuritis, and convulsions in high doses may occur with the administration of metronidazole tablets. It is prohibited for those with active central nervous system diseases and blood diseases, and is prohibited for pregnant and lactating women. Alcohol consumption is prohibited during the use of the drug. If you need to use the above two drugs, please consult a professional doctor, follow the doctor’s instructions for rational use of drugs.