![]() The amount of gas and the way it changes during the test is an indicator of the number of bacteria within the gut. ![]() The patient then consumes a small amount of lactulose and the quantity of hydrogen and methane in exhaled breath is then measured by asking the patient to breath into a balloon every 15 minutes, for up to 3 hours. Before the test begins patients breathe into a balloon to allow the baseline measurement of the concentration of hydrogen in a normal breath. Testing for SIBOĪlthough there is no universally-accepted gold-standard test for SIBO, a commonly used diagnostic tests is the lactulose breath test. ![]() – Connective tissue disorders such as fibromyalgia, Ehlers-Danlos syndrome and rheumatoid arthritis who are predisposed to relapsing symptoms of small intestinal bacterial overgrowth. – Drugs such as narcotic pain killers, anti-diarrhoeal agents Several risk factors have been identified for SIBO although it can occur in health individuals too. These bacteria feed off the sugars in the foods that people eat thereby causing flatulence and problems with digestion or absorption of food. However, in SIBO, bacteria that normally live in the large bowel start to grow within the small bowel. The small intestine does not normally have any bacterial colonisation. There is also a lack of robust data on the ideal treatment for SIBO. This is primarily because there is a lack of consensus regarding the diagnostic criteria for the disease. These can cause a variety of symptoms, including:įor many years patients with SIBO symptoms have been misdiagnosed with irritable bowel syndrome. The hallmark of SIBO is that the small intestine becomes colonised with bacteria. SIBO (small intestinal bacterial overgrowth) is a relapsing and remitting condition that affects up to one in seven people in the general population.
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