Small intestinal bacterial overgrowth linked to worsening symptoms in allergic diseases

MedicalXpress | апр 01, 2026

Allergies are usually associated with the immune system, genetics, and environmental factors. Increasingly, however, another element is appearing in this puzzle: the gut microbiota. A review of studies published in the International Journal of Molecular Sciences suggests that small intestinal bacterial overgrowth (SIBO) may be associated with symptom exacerbation in atopic diseases, such as bronchial asthma, food allergies, or chronic urticaria.