What happens when you have diarrhea?

Diarrhea can not be held when there are many faeces, anal sphincter relaxation, sympathetic nerve excitation and other reasons.

1, faeces diarrhea

intestinal mucosa in a short period of time will secrete a lot of liquid, resulting in more and stay in the intestinal tract for a short time, so that faeces quickly reach the rectum, stimulate the production of stool Italy, so it is difficult to hold.

2, anal sphincter relaxation

when intestinal smooth muscle peristalsis too fast to produce stool Italy, resulting in diarrhea difficult to hold.

3, sympathetic nerve excitation

diarrhea can lead to sympathetic nerve excitation, so that anal sphincter involuntary relaxation, but also lead to patients holding.