small intestinal bacterial overgrowth
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Diagnosis Jejunum aspirate with > 105 bacteria/ml
Risk factors Proton pump inhibitors, anatomic defects—e.g., fistulas, diverticula, blind loops, resection of ileo-cecal valve
Management Antibiotics, given in short cycles to prevent resistance
small intestinal bacterial overgrowth,
Excessive concentrations of colonic bacteria (exceeding 100,000 microorganisms per mL) within the duodenum or jejunum. SIBO may produce abdominal pain, bloating, and diarrhea owing to malabsorption. Synonym: small bowel bacterial overgrowth