What causes vomiting in young children?

Many parents have encountered vomiting in their young children, but in most cases they don’t know the cause, so there will be some delays in treatment. Common causes of vomiting in young children include gastrointestinal obstructive vomiting, infectious vomiting, central nervous system diseases, etc. These causes must be carefully examined to facilitate treatment.

1. Gastrointestinal obstructive vomiting

It may be caused by congenital digestive tract malformations or certain acquired diseases that lead to digestive obstruction.

(1) The baby vomits during the neonatal period

There may be esophageal atresia, gastric torsion, pyloric spasm, pyloric valve, duodenal atresia or stenosis of annular pancreas, intestinal malrotation, jejunal atresia or stenosis, rectal and anal malformations (including anal atresia or stenosis, etc.), gastrointestinal duplication malformations and meconium peritonitis.

(2) Intestinal obstructive vomiting in infants and young children

Congenital pyloric stenosis, delayed effacement of the pyloric valve or pyloric spasm, intussusception and acquired volvulus.

(3) Vomiting in childhood

It may be caused by external intestinal wall compression, adhesions after meconium peritonitis, preduodenal portal vein mesenteric hiatus hernia, incarcerated inguinal oblique hernia or diaphragmatic hernia.

2. Infectious vomiting

Caused by upper respiratory tract infection, pneumonia and gastrointestinal infection.

3. Vomiting caused by central nervous system diseases

Various encephalitis, meningitis, cerebral hemorrhage, brain tumors and intracranial hypertension.

4. Nutritional and metabolic disorders

Infantile beriberi, uremia, metabolic acidosis, diabetic ketoacidosis.

5. Vestibular dysfunction

Meniere's syndrome.

6. Drugs and poisons irritate the gastrointestinal tract

7. Others

Cyclic vomiting, recurrent vomiting.