European Journal of Epidemiology

, Volume 31, Issue 3, pp 331–332 | Cite as

No association between macrolide treatment in infancy and later pyloric stenosis in Sweden

  • Jonas F. LudvigssonEmail author
  • Cecilia Lundholm
  • Anne K. Örtqvist
  • Catarina Almqvist
Letter to the Editor


Antibiotics Child Cohort study Infant Macrolides Pyloric stenosis 


Compliance with ethical standards

Conflicts of interests

All authors have completed the ICMJE uniform disclosure form at JFL, CL, AKÖ, and CA claim no conflict of interest related to the submitted work.

Ethical approval

The study was approved by the Regional Ethical Review board in Stockholm, Sweden (DNR 2011/2012-31/5 and 2012/1179-32).


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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Jonas F. Ludvigsson
    • 1
    • 2
    Email author
  • Cecilia Lundholm
    • 1
  • Anne K. Örtqvist
    • 1
  • Catarina Almqvist
    • 1
    • 3
  1. 1.Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
  2. 2.Department of Pediatrics, Örebro University HospitalÖrebro UniversityÖrebroSweden
  3. 3.Astrid Lindgren Children’s HospitalKarolinska University HospitalStockholmSweden

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