![]() ![]() Small bowel bacterial overgrowth syndrome is treated with an elemental diet or antibiotics, which may be given in a cyclic fashion to prevent tolerance to the antibiotics, sometimes followed by prokinetic drugs to prevent recurrence if dysmotility is a suspected cause.ĭeficiency of vitamin B 12 can occur in bacterial overgrowth Risk factors for the development of bacterial overgrowth include dys motility anatomical disturbances in the bowel, including fistulae, diverticula and blind loops created after surgery, and resection of the ileo-cecal valve gastroenteritis-induced alterations to the small intestine and the use of certain medications, including proton pump inhibitors. The diagnosis of bacterial overgrowth is made by a number of techniques, with the gold standard being an aspirate from the jejunum that grows in excess of 10 5 bacteria per millilitre. Patients with bacterial overgrowth typically develop symptoms which may include nausea, bloating, vomiting, diarrhea, malnutrition, weight loss and malabsorption, which is caused by a number of mechanisms. Unlike the colon (or large bowel), which is rich with bacteria, the small bowel usually has fewer than 100,000 organisms per millilitre. Small intestinal bacterial overgrowth ( SIBO), also termed bacterial overgrowth, or small bowel bacterial overgrowth syndrome ( SBBOS), is a disorder of excessive bacterial growth in the small intestine. ![]() Resection of the valve can lead to bacterial overgrowth. The ileocecal valve prevents reflux of bacteria from the colon into the small bowel. Medical condition Small intestinal bacterial overgrowthīacterial overgrowth, small bowel bacterial overgrowth syndrome (SBBOS)
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