Causes of vomiting

Vomiting may be caused by pregnancy, acute gastroenteritis, intestinal obstruction and other reasons.

1. Pregnant

women are over-stressed, excited, anxious, depressed and other reasons after pregnancy, leading to central nervous excitation, so women smell irritating odors, nausea, vomiting and other symptoms.

2. Acute gastroenteritis

virus infection, cold, improper diet and other reasons cause acute gastroenteritis, inflammation stimulates the vagus nerve, vagus nerve excitation, gastric smooth muscle spasmodic contraction, and then causes vomiting.

3. Intestinal obstruction

, intestinal adhesion and other reasons lead to intestinal obstruction, intestinal contents through obstacles, gastric contents can not be discharged in time, and then lead to vomiting.