A stomach ulcer is a “crater” on the lining of the stomach that develops when the stomach is inflamed, Dr. Plaut says. “In most cases, stomach acid is a key driver of ulcer formation.” While the term ...
Mar. 28 -- (HealthDay News) -- A peptic ulcer is a sore that occurs in the lining of the stomach or small intestine. A bacterium, called H. pylori, causes the sore to form. While the foods you eat don ...