Many children have a bulge in the navel, the bulge changes in size when active. This is a sign of an umbilical hernia, a common congenital defect in newborns. So is this defect dangerous and does it require surgery?

Vomiting after taking medication is probably a common occurrence for parents. This phenomenon occurs more often in children under 4 years of age. Vomiting after taking medication can require another dose and affect the treatment outcome.