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Antibiotics in the first week of life are not associated with functional gastrointestinal disorders at 9–12 years of age

Year: 2026
Type: article
Study design: Observational Study
Abstract: OBJECTIVES: Dysbiosis due to early-life antibiotics may contribute to the development of functional gastrointestinal disorders (FGIDs). This follow-up study of a birth cohort primarily investigates the association between antibiotic treatment in the first week of life and the presence of FGIDs at 9-12 years. Secondarily, it examines whether a history of infantile colic or current food allergy is associated with FGIDs. METHODS: A prospective observational birth cohort of 436 term-born infants was followed up at the age of 9-12 years; 151 received intravenous antibiotics in the first week of life due to suspected early onset sepsis (AB+) and 285 did not (AB-). Participants filled out questionnaires on the presence of FGIDs (Rome IV questionnaire) and food allergies, and FGID diagnoses were reported by general practitioners. Statistical analyses included chi-squared tests and multivariable logistic regression. RESULTS: Three hundred and six of 388 eligible participants (79.5%) participated in the follow-up study: 109 (35.6%) AB+ and 197 (64.4%) AB-. FGID prevalence at 9-12 years was similar in AB+ and AB- (any FGID: odds ratio [OR] 1.083, 95% confidence interval [CI] 0.608-1.932). Infantile colic was not significantly associated with FAPDs after adjusting for confounders (adjusted OR 2.007, 95% CI 0.978-4.003, p = 0.051). Children with a food allergy were more likely to have a functional abdominal pain disorder (FAPD) (adjusted OR 4.028, 95% CI 1.532-10.286). CONCLUSIONS: No statistically significant association was observed between first-week antibiotics or infantile colic and FGIDs at 9-12 years of age, but FAPDs were significantly more prevalent in children with food allergies.
Language: English
Field: Medicine
Open Access status: hybrid
Estimated APC paid: $3,780
OpenAlex ID: W7140179904
FWCI:
Cites: 25
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