What’s wrong with a 3 year old crying at night with a tummy ache?

3-year-old baby crying at night stomach pain, may be due to abdominal cold, functional dyspepsia, acute appendicitis and other factors.
1. abdominal cold: baby abdominal cold or intake of too cold food, can stimulate the stomach and intestines lead to baby crying, stomach pain, and diarrhea and other phenomena.
2. Functional dyspepsia: excessive partiality, picky eating or poor eating habits of babies can cause functional dyspepsia, in addition, the infection of Helicobacter pylori can also cause this disease. After the onset of the disease, the child may appear epigastric pain, abdominal distension, anorexia, vomiting, acid reflux and other symptoms, and will be accompanied by crying.
3. Acute appendicitis: Obstruction of the appendiceal lumen and bacterial infection can cause acute appendicitis, resulting in crying and abdominal pain, which begins in the upper abdomen, gradually shifts to the umbilicus, and is eventually confined to the lower right abdomen, and can be accompanied by anorexia, nausea, vomiting, fever and other symptoms.
In addition, rotavirus infection, irritable bowel syndrome and other diseases can also cause 3-year-old babies cry at night stomach pain, it is recommended to consult a doctor in time to clarify the cause of the disease, early treatment.