Causes of upper gastrointestinal bleeding

The most common cause of upper gastrointestinal bleeding should be peptic ulcer, such as gastric ulcer, duodenal ulcer, compound ulcer, etc. Other conditions, such as acute gastric mucosal lesions caused by taking drugs, will also show gastrointestinal bleeding phenomenon. Digestive tract tumors, such as esophageal cancer, gastric cancer, duodenal cancer, etc., can also invade blood vessels and cause upper gastrointestinal bleeding. Vascular diseases, such as cirrhosis of the liver causing esophageal and gastric varices, resulting in rupture, thus showing upper gastrointestinal bleeding, gastric constant diameter artery rupture will also show massive bleeding. Other systemic diseases, such as blood diseases, can cause thrombocytopenia or coagulation disorders, will also show upper gastrointestinal bleeding phenomenon.