Diarrhea when nervous, belongs to irritable bowel syndrome, the pathogenesis is still unclear, may be related to the gastrointestinal tract dynamics disorder, abnormal visceral sensation, etc.. It is recommended to improve the examination and timely treatment. Common causes 1, gastrointestinal tract power disorder: if the intestinal tract power is hyperactive, it may lead to diarrhea when nervous, if the intestinal tract power is weakened, it will lead to constipation; 2, abnormal visceral sensation: sensory hypersensitivity to rectal dilatation and abnormal processing of visceral sensory signals at the spinal cord level can cause diarrhea when nervous; 3, abnormal regulation of the brain-gut axis: the central nervous system processing of intestinal afferent signals and regulation of the enteric nervous system 4, intestinal infection: acute intestinal infection, or stimulate the mucosal inflammatory response, can lead to irritable bowel syndrome; 5, psychosomatic factors: long-term anxiety, tension, depression, can aggravate or cause irritable bowel syndrome; 6, gastrointestinal hormones: some gastrointestinal peptide hormones, can also stimulate the mucosa, affecting intestinal function, leading to diarrhea when nervous. Treatment Generally symptomatic treatment, anticholinergics can be used to antispasmodic, such as atropine; use loperamide, or compound phenylephrine to stop diarrhea; cisapride or mosapride to treat bloating; for patients with psychiatric symptoms, sedatives, antidepressants, anti-anxiety drugs; use probiotics, can adjust the ecological balance of intestinal microbiota, such as Lactobacillus. Caution Pay attention to diet, eat more easily digestible liquid food, eat less cold, hard, spicy and stimulating food, you can eat appropriate probiotic food.