Irritable bowel syndrome

Irritable bowel syndrome (IBS) is a common gastroenterological disorder characterized by abdominal pain, diarrhoea or constipation, and bloating. The exact pathophysiology remains unknown but possible mechanisms involve altered gut motility, visceral hypersensitivity and exaggerated stress response. Treatment depends on the predominant symptoms. This article discusses the pathophysiology of IBS and the treatments available.