Repeated vomiting

Hematemesis, bleeding in the stomach and esophagus, vomiting by mouth, and food residues. "Su Wen. Lifting Pain": "Anger is qi, and even vomits blood and bleeds." "Jin Kui Yao Lue" calls it "vomiting blood." In later generations, there were many doctors who distinguished between "vomiting blood" and "vomiting blood" from the presence or absence of sound. In fact, the two are the same. The blood in the stomach and esophagus does not flow out by itself, and it must be accompanied by vomiting. Therefore, "Medicine" also believes: "Spitting blood means vomiting blood. The old way is to say vomiting silently.