Colonoscopy is at the heart of gastroenterology. It is a diagnostic and therapeutic tool and it has become the central figure in the crusade against colorectal cancer. Seven gastroenterologists ...

A colonoscopy is an exam that lets your physician see your entire colon. Before the test, your health care team will give you instructions for how to clear your colon of any stool. This process is ...

Colonoscopy vs. Sigmoidoscopy: What’s the Difference? If your doctor wants to check the health of your colon — whether as part of a routine screening or to investigate a concern — they may recommend a ...

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 clear liquid ...

Adrienna Jirik, MD, is a board-certified gastroenterologist at Cleveland Clinic, where she has been providing care since 2016. She completed advanced fellowships in hepatology/transplant and ...