Erythromycin Linked to Pyloric Stenosis in Very Young Babies

Infantile hypertrophic pyloric stenosis (IHPS) usually is diagnosed in infants 3 to 5 weeks old who present with vomiting caused by gastric outlet obstruction. In previous reports, investigators found an association between IHPS and erythromycin treatment (e.g., J Pediatr 2001; 139:380). In this …