Document Detail

Maternal and infant use of erythromycin and other macrolide antibiotics as risk factors for infantile hypertrophic pyloric stenosis.
MedLine Citation:
PMID:  11562617     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To evaluate the risk for infantile hypertrophic pyloric stenosis (IHPS) among infants prescribed systemic erythromycin, infants prescribed a course of erythromycin ophthalmic ointment, and infants whose mothers were prescribed a macrolide antibiotic during pregnancy. STUDY DESIGN: Retrospective cohort study of infants born at an urban hospital from June 1993 through December 1999. RESULTS: Of 14,876 eligible infants, 43 (0.29%) developed IHPS. Infants prescribed systemic erythromycin had increased risk of IHPS, with the highest risk in the first 2 weeks of age (relative risk = 10.51 for erythromycin in first 2 weeks, 95% CI 4.48, 24.66). Erythromycin ophthalmic ointment for conjunctivitis was not associated with increased risk of IHPS. Maternal macrolide antibiotics within 10 weeks of delivery may have been associated with higher risk of IHPS but the data were not conclusive. CONCLUSIONS: This study confirms an association between systemic erythromycin in infants and subsequent IHPS, with the highest risk in the first 2 weeks of age. No association was found with erythromycin ophthalmic ointment. A possible association with maternal macrolide therapy in late pregnancy requires further study. Systemic erythromycin should be used with prudence in early infancy.
B E Mahon; M B Rosenman; M B Kleiman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of pediatrics     Volume:  139     ISSN:  0022-3476     ISO Abbreviation:  J. Pediatr.     Publication Date:  2001 Sep 
Date Detail:
Created Date:  2001-09-19     Completed Date:  2001-10-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  380-4     Citation Subset:  AIM; IM    
Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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MeSH Terms
Anti-Bacterial Agents / adverse effects*
Erythromycin / adverse effects*
Infant, Newborn
Maternal-Fetal Exchange*
Pyloric Stenosis / chemically induced*,  surgery
Retrospective Studies
Risk Factors
Reg. No./Substance:
0/Anti-Bacterial Agents; 114-07-8/Erythromycin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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