Tinidazole may cause the body to experience adverse neurological reactions as well as discomfort to the gastrointestinal tract. Tinidazole is usually used for the treatment of oral infections caused by anaerobic bacteria, abdominal infections, pelvic inflammatory disease, but also for the treatment of amoebic dysentery and trichomonas vaginitis, is a more commonly used anti-inflammatory drugs. 1. Nervous system: due to the effect of tinidazole drug composition on the nervous system, may cause the body to headache, dizziness. 2. Gastrointestinal discomfort: Tinidazole may have an effect on the body’s gastrointestinal tract, vomiting, nausea and bad taste in the mouth may occur after taking the adverse reaction. Tinidazole may have abnormal body reaction, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication. Once an allergic reaction occurs, the drug should be stopped immediately to the hospital for examination to avoid other problems.