Glossary

Gastritis

Gastritis

Also: Magenschleimhautentzündung

Gastritis is an inflammation of the stomach lining. It can be triggered by bacteria, medication, alcohol or stress and often causes upper abdominal pain, nausea or a feeling of fullness.

Symptoms rather than terms?

Describe what's going on — we'll find the right doctor for you.

Editorial content · as of 9/5/2026