different types of stomach ulcers
Peptic ulcers are a fairly common health problem. There are three types of peptic ulcers: 1  gastric ulcers: ulcers that develop inside the stomach. 2  esophageal ulcers: ulcers that develop inside the esophagus.  duodenal ulcers: ulcers that develop in the upper section of the small intestines, called the duodenum.