Results of small intestinal bacterial overgrowth testing in irritable bowel syndrome patients: clinical profiles and effects of antibiotic trial.

Abstract

(1) SIBO was present in nearly half of this large cohort of IBS patients based on the results of GBT; (2) Chronic PPI use was not associated with SIBO; (3) Methane formers on the GBT are more likely to be constipated; (4) Rifaximin is effective in treatment of SIBO in IBS and controlled trials are warranted.