Gastric and duodenal ulcers are defects in the lining of the stomach or duodenum that form when gastric acid overwhelms the normal protective mechanisms. Most ulcers are caused by the bacteria Helicobacter pylori or by aspirin and similar drugs, w...
Stomach ulcers are painful sores in the stomach lining or small intestine. They occur when the mucus that protects the stomach from...
Peptic ulcers can cause different symptoms, depending on where they are. Find out if your symptoms are a sign of gastric or duodenal ulcers.