Use of macrolides in mother and child and risk of infantile hypertrophic pyloric stenosis: nationwide cohort study.

The article discusses a nationwide cohort study in Denmark on the link between the use of macrolides in mother and child, and the risk of infantile hypertrophic pyloric stenosis (IHPS). The study assessed the link between macrolide use and IHPS for the categories of maternal use during pregnancy, maternal use after birth and use in infants after birth. It also informs that macrolide use in infants during the first two weeks after birth has been associated with an increased risk of IHPS.