Most vomiting is caused by gastroenteritis, a viral infection of the gastrointestinal tract. Thankfully, these infections are usually short-lived and are more disruptive than damaging. Your most important intervention may be your bedside manner - vomiting is frightening for young children and exhausting for children of all ages. Supplement the following time-tested routines with plenty of reassurance.

When should you call the Doctor?
The greatest risk of vomiting due to gastroenteritis is dehydration. Call your doctor if your child has diarrhea, refuses fluids, is not urinating, cries without tears, has a dry mouth, or seems confused. You should also call if vomiting persists more than two days, which increases the risk of dehydration.

The following symptoms may indicate a condition more serious than gastroenteritis and require immediate medical attention:

Source: American Academy of Pediatrics