Externally Peer Reviewed by Mosby Vomiting Overview. Forceful ejection of gastric contents as opposed to passive reflux.
Most common cause is gastroenteritis.
In infants consider gastroesophageal reflux, overfeeding, anatomic obstruction, and systemic infection. In children, consider systemic infection, toxic ingestion, appendicitis, Reye's syndrome, and pertussis. Consider elevated intracranial pressure as a cause of isolated vomiting. If neonatal, consider congenital abnormalities such as duodenal or esophageal atresia, Hirschsprung's disease, volvulus, malformation. PO Q6h, vitamin K 5 to 10 mg IV for coagulopathy or FFP for acute bleeding, and management of elevated intracranial pressure.