Robert Burakoff, MD, MPH, is a board-certified gastroenterologist who serves as vice chair of Ambulatory Services at Lower Manhattan Hospital and professor of medicine at the Weill Cornell Medical ...

Sometimes, the preparation solution to clear the bowels before a colonoscopy does not work, or only partially works. A person can speak with their doctor about ways to make the prep more effective.

Colonoscopy prep is complete when your poop is light yellow without dark particles. If your stool isn't the right color after completing the preparation, contact your doctor. Follow a low fiber and ...