Drug that can cause hyperophic pyloric stenosis is?: (A) Teacyclin, (B) Erythromycin, (C) Ampicillin, (D) Rifampicin
Answer is B. o Maternal and infant use of erythromycin and other macrolide antibiotics have been repoed as risk factors for infantile hyperophic pyloric stenosis (IHPS). REF : katzung pharmacology : 14th ed