Before a colonoscopy, a person needs to drink a special fluid that clears their bowels to make any irregularities easier to spot during the procedure. Some people may call this a “colonoscopy prep ...

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.

A randomized trial shows combined water exchange and cap-assisted colonoscopy shortens cecal intubation time and reduces pain in unsedated procedures.

Although rectal bleeding is usually attributable to benign causes such as diverticula, some cases result from colon cancer or other serious colorectal disorders. There is no set standard of care, ...