Infantile hypertrophic pyloric stenosis (IHPS) is a disorder characterized by forceful vomiting in young infants. This is caused by hypertrophy of the pylorus, which can progress to near-complete obstruction of the gastric outlet. Infantile hypertrophic pyloric stenosis (IHPS) occurs in approximately 2 to 3.5 per 1000 live births. This article talks about the study which suggested the use of azithromycin can be harmful to the neonates.

Infantile hypertrophic pyloric stenosis (IHPS) is a condition in infants marked by elongation and thickening of the pylorus muscle leading to eventual gastric outlet obstruction. Hypertrophic pyloric stenosis (HPS) causes a functional gastric outlet blockage due to hypertrophy and hyperplasia of the muscular layers of the pylorus. It is a common cause of gastric outlet obstruction and the most ordinary surgical cause of vomiting. Symptoms of hypertrophic…