<p>Barium Suphate is used to help doctors examine the esophagus (tube that connect mouth and stomach), stomach and intestine using X-rays or computed tomography (CAT scan, CT Scan; a type of body scan that uses a computer to put together X-ray images to create cross sectional or three dimensional picture of the inside of the body). Barium sulphate is a class of medications called radiopaque contrast media. Its works by coating the esophagus, stomach or intestine with a material that is not absorbed into the body so that diseased or damaged areas can be clearly seen by X-ray examination or CT scan.</p>