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the claim
Antibiotic exposure causes an increased risk of developing allergies
the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against
Is it true that antibiotic exposure causes an increased risk of developing allergies?
Yes. Current epidemiological and meta-analytic evidence indicates that prenatal and early-life antibiotic exposure is associated with an increased risk of developing allergic conditions such as food allergy, asthma, and allergic rhinitis, largely mediated by disruptions in the developing microbiome.
Verdict: SUPPORTED · 6 sources for, 0 against · Last checked
The analysis
Multiple large-scale systematic reviews, meta-analyses, and birth cohort studies (e.g., papers 2, 8, 11) consistently report positive associations between early-life or prenatal antibiotic exposure and increased risks of developing food allergies, asthma, and other atopic diseases. The mechanism is strongly supported by microbiome and translational studies showing that antibiotic-induced dysbiosis impairs immune tolerance (papers 4, 7, 10). There are no retrieved papers refuting this link.
Evidence for · 6
Birth cohort analysis examined antibiotic use as a key factor associated with the development of allergic phenotypes and atopic march pathways.
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AR, S., AA, E., JM, B., DJ, J., CLM, J., H, K., LJ, M., K, R., EM, S., G, W., C, B., A, C., S, D., DR, G., L, G., TV, H., CC, J., GK, K. H., FD, M., RL, M., CM, S., S, S., AL, W., JE, G., & AM, S. (2025). Phenotypes of Atopic Dermatitis and Development of Allergic Diseases.. doi.org. https://doi.org/10.1001/jamanetworkopen.2025.15094
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More for · 5
A comprehensive systematic review and meta-analysis identified infant antibiotic use as a significant risk factor associated with the development of food allergies.
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N, I., AWL, C., F, S., F, F., GH, G., R, B., P, O., A, I., A, I., KM, M., Y, R. B., RJ, C., D, B., Y, Z., L, O., K, P., SF, F., K, T., WC, T., H, F., MF, K., MS, A., S, F., S, W., RS, C., HA, S., SS, M., JA, L., KM, J., S, B., P, B., SH, S., J, G., M, C., L, M., K, C., MJ, G., J, W., A, A., MS, S., A, C., PC, F., RA, W., & DK, C. (2026). Risk Factors for the Development of Food Allergy in Infants and Children: A Systematic Review and Meta-Analysis.. doi.org. https://doi.org/10.1001/jamapediatrics.2025.6105
Translational work demonstrated that infant antibiotic use causes fungal expansions that promote immune dysregulation and airway inflammation.
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E, v. T. B., T, G., MW, G., WNT, N., EM, M., HR, R., CA, T., TBA, H., N, G., K, M., K, K., KD, P., E, C., KD, M., SB, F., & MC, A. (2026). Antibiotic-induced Malassezia expansion in the infant gut promotes early-life immune dysregulation and airway inflammation in mice.. doi.org. https://doi.org/10.1038/s41467-026-74417-x
A large-scale meta-analysis found that prenatal and early life antibiotic use was associated with higher odds of childhood food allergies.
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D, B., BV, S., T, K., D, C., & B, T. (2026). Prenatal and Early-Life Exposure to Microbiome-Modulating Medications and the Risk of Childhood Food Allergy: A Systematic Review and Meta-Analysis.. doi.org. https://doi.org/10.3390/jcm15083086
Review notes that early childhood antibiotic treatment disrupts GI tract development and is considered a strong risk factor for developing allergic rhinitis.
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Y, L., Y, S., L, S., A, W., X, G., & H, L. (2026). The nasal-oral microbiome axis in allergic rhinitis: environmental triggers, microbial dysbiosis, and immune dysregulation.. doi.org. https://doi.org/10.3389/falgy.2026.1799085
Systematic review of observational studies concluded that early-life antibiotic exposure is significantly associated with an increased risk of allergic diseases through gut microbiota disturbances.
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FNU, S., S, R., MN, A., & A, P. (2025). Association between early-life antibiotic exposure and gut microbiome alterations linked to allergic diseases in children: a systematic review.. doi.org. https://doi.org/10.1186/s40001-025-03685-y
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Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8104 Aug 2026
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