Gastritis

Gastritis is inflammation of the stomach lining. It can cause burning or gnawing pain in the upper abdomen, nausea, bloating, indigestion and a feeling of fullness after eating. Common causes include Helicobacter pylori infection, regular use of painkillers such as NSAIDs, alcohol and stress. It may be short-lived or long-term. Vomiting blood or passing black stools needs urgent medical attention.