Hepatic overproduction | True malabsorption |
Idiopathic | Crohn’s disease |
Postcholecystectomy | Right hemicolectomy |
Irritable bowel syndrome-diarrhoea predominant type | Enteropathy (such as HIV (human immunodeficiency syndrome) |
Pancreatic insufficiency | Pelvic radiation |
Bariatric surgery | |
Microscopic colitis | |
Small bowel bacterial overgrowth |