Chronic diarrhoea: the indications for lower GI endoscopy when functional bowel disease is suspected

We read with interest the ‘Guidelines for the investigation of chronic diarrhoea in adults: British Society of Gastroenterology, third Edition’ by Arasaradnam et al .1 Compared with the second edition, the new guidance provides more detailed and specific content which will undoubtedly aid the investigation of chronic diarrhoea both in primary and secondary care. However, we would like to clarify the authors’ position …