Importance The prevalence of irritable bowel syndrome (IBS) in the United States is between
7% and 16%, most common in women and young people, with annual direct costs estimated …

Introduction Chronic constipation is highly prevalent, affecting between 10% and 15% of the
population. The Rome IV criteria categorizes disorders of chronic constipation into four …

Irritable bowel syndrome (IBS) remains one of the most common gastrointestinal disorders
seen by clinicians in both primary and secondary care. Since publication of the last British …

Functional bowel disorders are highly prevalent disorders found worldwide. These disorders
have the potential to affect all members of society, regardless of age, sex, race, creed, color …

Irritable bowel syndrome with diarrhoea (IBS‐D) and functional diarrhoea (FDr) are the two
major functional bowel disorders characterized by diarrhoea. In spite of their high …

Background & Aims We have limited knowledge about the association between the
composition of the intestinal microbiota and clinical features of irritable bowel syndrome …

We provide a general framework for understanding functional gastrointestinal disorders
(FGIDs) from a biopsychosocial perspective. More specifically, we provide an overview of …

Summary Background The Bristol Stool Form Scale (BSFS) is a 7‐point scale used
extensively in clinical practice and research for stool form measurement, which has …

Managing irritable bowel syndrome (IBS) has attracted international attention because
single-agent therapy rarely relieves bothersome symptoms for all patients. The Japanese …

Introduction Chronic constipation is a common disorder with a reported prevalence ranging
from 3% to 27% in the general population. Several management strategies, including …