Vomiting and diarrhea when nervous is usually caused by irritable bowel syndrome, or nervousness and vomiting and diarrhea are not related, caused by acute gastroenteritis and other diseases. 1. Irritable bowel syndrome: the disease is mainly affected by emotions, in the case of tension, irritability may cause changes in gastrointestinal function, such as diarrhea and other symptoms, the clinical usually use loperamide hydrochloride to treat the disease, the drug can slow down intestinal motility through the effective relief of the symptoms of vomiting and diarrhea. 2. The disease also exists with nervousness and other emotions unrelated to the possibility, may be due to bacterial infection caused by acute gastroenteritis and other diseases, this time can be applied to montelukast to temporarily alleviate the symptoms, to protect the gastrointestinal mucosa, and comply with the doctor’s instructions to take norfloxacin and other antibiotics to inhibit the reproduction of bacteria. Nervousness when vomiting and diarrhea is recommended to seek medical attention to identify the cause of treatment, the use of medication should be under the guidance of a doctor, do not take medication without authorization.