There are four types of stomach ulcers. Each type occurs on a different part of the stomach lining. These are different from duodenal ulcers, although they develop nearby and have similar causes and ...

A duodenal ulcer is a type of peptic ulcer that can appear in the duodenum. The duodenum is the upper part of the small intestine that’s connected directly to the stomach where it empties into the ...

A throat ulcer is an open sore in the back of the throat, esophagus, or voice box. Throat ulcers can develop due to injury or infection in the throat. Throat ulcers can develop in response to ...

Stress ulcers cause sores in the gastrointestinal (GI) tract. They can cause pain, a burning sensation, and an increased risk of infection. The damage ranges from minor irritation to severe bleeding.