This information supports, and does not replace, advice from your healthcare professional.
Overview
Small intestinal bacterial overgrowth (SIBO) is a condition where excessive bacteria grow in the small intestine, leading to digestive issues and nutrient malabsorption.
Symptoms
Bloating and abdominal distension Diarrhea or constipation Gas and belching Abdominal pain or cramping Unintended weight loss
Causes
Impaired intestinal motility Anatomical abnormalities of the gut Chronic conditions like diabetes or Crohn’s disease Previous surgeries affecting the small intestine
Diagnosis
Breath tests for hydrogen or methane Small intestine aspirate and culture (rarely) Evaluation of underlying causes
Treatment
Antibiotics to reduce bacterial overgrowth Dietary changes such as low FODMAP diet Probiotics in some cases Treatment of underlying conditions