Eating metronidazole diarrhea is recommended to pay attention to reasonable diet in daily life, keep warm, stop taking drugs, etc., if necessary, timely medical treatment. Metronidazole adverse reactions are mainly digestive reactions, including nausea, vomiting, loss of appetite, abdominal cramps, diarrhea is relatively common. Generally does not affect the relevant therapeutic effect. When the symptoms of gastrointestinal adverse reactions occur after taking the drug, it is recommended to pay attention to the usual reasonable diet, pay attention to warmth, you can take the drug after meals to relieve the adverse reactions, if you can’t tolerate should be changed to other antibiotics such as levofloxacin and other drug therapy. If the diarrhea symptoms are not relieved or continue to worsen, it is recommended to stop the drug and seek medical treatment. In addition to diarrhea, metronidazole can also cause neurological symptoms and other adverse symptoms, such as headache, vertigo ataxia, polyneuritis, convulsions and so on. In a few patients, urticaria and leukopenia may occur. However, these adverse reactions are generally reversible, after stopping the drug, the adverse reactions are mostly self-recovery. Metronidazole is recommended to be taken in accordance with medical advice, if the symptoms worsen after taking metronidazole, you need to consult a doctor for observation.