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Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
05:31

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Antibiotic exposure in early infancy and risk for childhood atopy

Christine Cole Johnson1, Dennis R Ownby, Sharon Hensley Alford

  • 1Department of Biostatistics and Research Epidemiology, Henry Ford Health System, 1 Ford Place 5C, Detroit, MI 48202, USA. cjohnso1@hfhs.org

The Journal of Allergy and Clinical Immunology
|June 9, 2005
PubMed

Insights

Early antibiotic use may increase allergy risk in infants, particularly those with fewer pets or longer breastfeeding durations. This finding highlights potential environmental and lifestyle factors influencing infant immune development and atopy.

Area of Science:

  • Pediatric Allergy and Immunology
  • Microbiome Research
  • Immune System Development

Background:

  • Pediatric allergy and asthma rates are rising alongside antibiotic use.
  • Antibiotics disrupt the gut microbiome, potentially affecting immune system development in children.

Purpose of the Study:

  • To investigate the association between antibiotic exposure in early infancy and the risk of developing atopy.
  • To identify specific subgroups of children who may be more susceptible to atopy following antibiotic use.

Main Methods:

  • A birth cohort of 725 children born between 1987-1989 was studied.
  • Antibiotic prescriptions were documented from medical records.
  • At 6-7 years of age, 448 children underwent examinations including skin prick tests and serum IgE measurements for common allergens.

Main Results:

  • Antibiotic use in the first six months of life showed a trend towards increased atopy risk (aOR=1.48).
  • This risk was significantly higher in children with fewer than two pets (aOR=1.73) and those breastfed for four or more months (aOR=3.02).
  • Similar trends were observed for seroatopy and combined outcomes.

Conclusions:

  • Early-life antibiotic exposure is linked to an elevated risk of atopy in specific pediatric subgroups.
  • Factors such as pet ownership and breastfeeding duration may modify this risk.
  • Further research is warranted to understand the mechanisms underlying this association.
Abstract

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