Post-infectious irritable bowel syndrome

Irritable bowel syndrome(IBS) is a gastrointestinal disorder characterized by abdominal pain and changes in bowel habits,not sustained by structural changes.More and more epidemiological and clinical data indicate that early infectious gastroenteritis is closely related with IBS.Most patients who suffered from infectious gastroenteritis could return quickly and be free from a distressing sequela,but someone still have persistent new IBS symptoms meeting the diagnostic criteria for IBS,the so-called post-infectious irritable bowel syndrome(PI-IBS).This article reviews the latest progress of PI-IBS from epidemiological characteristics,risk factors,pathophysiological changes and clinical features.