Heartburn
Heartburn, condition characterized by a burning feeling in the chest and a sour or bitter taste in the mouth. Heartburn typically develops when the acidic contents of the stomach flow back, or regurgitate, into the esophagus, the muscular tube that carries food from the throat to the stomach. Heartburn is generally diagnosed with a complete description of the symptoms. In severe cases, a physician may order a barium X ray of the stomach and esophagus to rule out other problems. Alternatively, a physician may examine the esophagus with an endoscope, an instrument that can view the interior of the digestive tract, and take tissue and fluid samples. Treatments for heartburn in mild cases, over-the-counter medications such as antacids can relieve occasional bouts. Chronic heartburn can be treated with medications that prevent the production of acid in the stomach. Lifestyle changes, such as quitting smoking or losing weight, also can alleviate or prevent heartburn. Sleeping with the head o