A barium enema, in principle, is similar to a barium meal or barium follow-through but is used specifically to obtain X-ray images of the large intestine. Unlike the barium meal and follow through ...

– An enema is a quantity of fluid infused into the rectum through a tube passed into the anus. – Enemas must be prescribed. – Enemas can be used for a number of reasons: to alleviate constipation; to ...