Does a glucose-based hydrogen and methane breath test detect bacterial overgrowth in the jejunum?
Olof SundinA Mendoza-LaddE MoralesB M FaganM ZengD Diaz-ArévaloJ OrdoñezRichard W McCallumPublished in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2018)
The glucose-based hydrogen and methane breath test is not sensitive to the overgrowth of jejunal bacteria. However, a positive breath test may indicate altered jejunal function and microbial dysbiosis.