Background and Aims: Often a cause for chronic non-specific diarrhea (≥3 stools per day for more than 4 weeks) is not identified. Small bowel bacterial overgrowth (SBO) can occur without ...

Consecutive patients referred from 1997 to 1999 for investigation of chronic diarrhea were included in the study. Chronic diarrhea was defined as greater than 3 stools a day for at least 4 weeks.