What causes stomach pain in the middle of the night?

Midnight stomachache is often a manifestation of gastric ulcer or duodenal ulcer. Because in the middle of the night, stomach emptying, if too much acid secretion, it will corrode the stomach, causing gastric ulcer. Or duodenal ulcer, you will feel stomachache. If this symptom shows, it is recommended to do gastroscopy. To understand the extent of gastric ulcer, whether multiple or single, or large area, or whether there is the possibility of malignant change, after gastroscopy can understand more clearly. If the ulcer disease, can take esomeprazole and pantoprazole. If the tumor in the early stage, also need to take biopsy, rule out stomach cancer.