Cited by 110Asthma and respiratory diseasesPregnancy and Medication ImpactInflammatory mediators and NSAID effects

Paracetamol exposure in pregnancy and early childhood and development of childhood asthma: a systematic review and meta-analysis

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Cheelo, M, Lodge, C J, Dharmage, S C, Simpson, J A, Matheson, M, Heinrich, J, Lowe, A J·2015·Archives of Disease in Childhood

Abstract

Background and objective: While paracetamol exposure in pregnancy and early infancy has been associated with asthma, it remains unclear whether this is confounded by respiratory tract infections, which have been suggested as an alternative explanation. We undertook a systematic review and meta-analysis of longitudinal studies that reported the association between paracetamol exposure during pregnancy or infancy and the subsequent development of childhood asthma (≥5 years). Methods: Two independent researchers searched the databases EMBASE and PUBMED on 12 August 2013 for relevant articles using predefined inclusion and exclusion criteria. Study quality was assessed and results were pooled using fixed effect models or random effect models when moderate between-study heterogeneity was observed. We explicitly assessed whether the observed associations are due to confounding by respiratory tract infections. Results: Eleven observational cohort studies met the inclusion criteria. Any paracetamol use during the first trimester was related to increased risk of childhood asthma (5 studies, pooled OR=1.39, 95% CI 1.01 to 1.91) but there was marked between-study heterogeneity (I 2=63%) and only one of these studies adjusted for maternal respiratory tract infections. Increasing frequency of use of paracetamol during infancy was associated with increased odds of childhood asthma (3 studies, pooled OR=1.15, 95% CI 1.00 to 1.31 per doubling of days exposure), but in these same three studies adjusting for respiratory tract infections reduced this association (OR=1.06, 95% CI 0.92 to 1.22). Discussion: The association during early pregnancy exposure was highly variable between studies and exposure during infancy appears to be moderately confounded by respiratory tract infections. There is insufficient evidence to warrant changing guidelines on early life paracetamol exposure at this time.

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  • A systematic review and meta-analysis found insufficient evidence to change guidelines on the association between paracetamol exposure in pregnancy or early infancy and childhood asthma.

    “A systematic review and meta-analysis of studies reporting this association found that there was insufficient evidence to warrant changing guidelines.10”

    From Paracetamol: pharmacology, prescribing and controversies (2016) · cites this paper as [10]

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Research works printed but not linked: 2

  1. [26]26. Stroup DF, Berlin JA, Morton SC, et al. Meta-analysis of observational studies in epidemiology: a proposal for reporting. JAMA 2000;283:2008-12.
  2. [39]39. Kodgule R, Kapoor S, Pawar R, et al. Paracetamol increases airway resistance in stable asthmatics: a double blind, randomized, placebo controlled study. Eur Respir J 2010;36:A3872.

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Authors
Cheelo, M., Lodge, C. J., Dharmage, S. C., Simpson, J. A., Matheson, M., Heinrich, J., & Lowe, A. J.
Affiliations
  • The University of Melbourne (AU)
  • Royal Children's Hospital (AU)
  • Helmholtz Munich (DE)
Venue
Archives of Disease in Childhood
Publisher
BMJ
Published
2014-11-26
Volume
100
Issue
1
Pages
81-89
ISSN
  • 0003-9888 (ISSN-L)
  • 1468-2044
OpenAlex
W2162858999
Cited by
110
References
64
Citations by year
2026: 3 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 8 · 2021: 8 · 2020: 18 · 2019: 10 · 2018: 11 · 2017: 6 · 2016: 19 · 2015: 12 · 2014: 1
FWCI
1.48
Type
journal article
Language
en
Open access
Locations
  • Archives of Disease in Childhood (publishedVersion)
  • PubMed (publishedVersion)
  • Open access LMU (Ludwid Maxmilian's Universitat Munchen) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
  • Site cant be reached (submittedVersion)
  • PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion)
Funders
  • Medical Research Council
  • National Health and Medical Research Council
Topics
  • Health Sciences › Medicine › Physiology › Asthma and respiratory diseases
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy and Medication Impact
  • Health Sciences › Medicine › Pharmacology › Inflammatory mediators and NSAID effects
Keywords
paracetamol, childhood asthma, first trimester, infancy, respiratory infections, confounding, early life exposure, asthma risk
MeSH terms
Acetaminophen, Asthma, Child, Preschool, Female, Humans, Infant, Pregnancy, Prenatal Exposure Delayed Effects, Risk Factors, Analgesics, Non-Narcotic

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