The main reasons for nausea and vomiting are gastric disease, pregnancy, fever and cold.
1. gastrointestinal disease: unclean diet or diet is not regular, it is easy to cause gastroenteritis, easy to cause gastric mucosal damage, acid reflux, digestive dysfunction, nausea and vomiting upset stomach.
2. Pregnancy: If a woman has an upset stomach and wants to vomit, after ruling out the possibility of gastric problems, it is necessary to confirm whether or not she is pregnant, in the early stages of pregnancy, there will be nausea, vomiting and upset stomach symptoms.
3. Fever and cold: Fever and cold will cause resistance to decline, loss of appetite, causing intestinal irritation symptoms, nausea and vomiting upset stomach.
Nausea and vomiting upset stomach may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.