A barium enema is a procedure that uses an X-ray to examine the lower gastrointestinal (GI) tract. It can help identify colorectal cancers and other conditions. Experts may also call barium enemas ...
An enema cleanses the colon, stimulates bowel movements, or delivers medication. Cleansing enemas flush out the colon quickly, while retention enemas keep liquid in the body longer. Enemas are usually ...