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Small intestinal bacterial overgrowth

Small overgrowth (SIBO), also termed bacterial overgrowth, or small bowel bacterial overgrowth (SBBOS), is a disorder of excessive bacterial growth in the small . Unlike the colon, which is rich with , the small intestine usually has fewer than 100,000 organisms per millilitre. Patients with SIBO typically develop symptoms which may include , , , , , weight loss, and malabsorption by various mechanisms.

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Plain-language summary adapted from Wikipedia. Not medical advice.