ABOUT THE TEST
The test consists of administering a substrate sugar orally (lactitol) and collect expired air at different times (each 30 minutes), to determine the amount of hydrogen and/or methane exhaled through the breath. The total duration of the test is 3 hours and a half (210 minutes).
Under normal conditions, Hydrogen and methane are generated due to the fermentation of the supplied sugar by the bacteria present in the large intestine. These gases partially diffuse into the blood and are eliminated through the breath.. Nevertheless, depending on when the increase in expired hydrogen and/or methane is recorded and the evolution of the data, This test allows you to detect SIBO and IMO and, sometimes, determine intestinal transit time.
To interpret the results you should go to a specialist who knows your clinical situation., This being essential in the event that any of the results are positive.
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