Many patients come to the doctor complaining of abdominal distension and discomfort, often accompanied by hiccups, belching, loss of appetite, bad breath, nausea, and fatigue, etc., which may improve after burping or “farting” (anal exhaustion). Patients with digestive disorders in particular are more likely to experience these symptoms. What is abdominal distention? What is the exact definition of bloating? Abdominal distension can be a subjective feeling of partial or fullness of the abdomen, or it can be accompanied by objective findings of partial or full abdominal distension. Abdominal distension can be physiological, such as late pregnancy; it can also be pathological, such as ascites, gastrointestinal distention, and large intra-abdominal masses. Sometimes the conscious symptoms are not obvious, but the examination reveals ascites or masses in the abdominal cavity; sometimes the conscious symptoms are obvious, but the abdominal examination does not reveal anything obvious. The main cause of epigastric distension and fullness discomfort is mostly gastrointestinal disorders with excessive gas, water, food or food residues, which inflate and distend the stomach and intestines. The causes of abdominal distension? 1. Inflammation of gastrointestinal tract: acute gastritis, chronic gastritis, acute enteritis, ulcerative colitis, bacterial dysentery, etc. 2. Peptic ulcer: gastric ulcer, duodenal ulcer, etc. 3. Gastrointestinal tumors: esophageal cancer, cardia cancer, gastric cancer, colon cancer, liver cancer, pancreatic cancer, etc. 4. Liver diseases: various acute and chronic hepatitis, such as viral hepatitis, fatty liver, alcoholic liver disease, liver cirrhosis, etc. 5. Biliary system and pancreatic diseases: such as gallstones, gallbladder stones, bile duct stones, chronic cholecystitis, acute cholecystitis, pancreatitis, etc. 6. Other system diseases: pulmonary heart disease, heart failure, fever caused by various reasons, anemia, cold, etc. 7. Functional diseases: functional abdominal distension, functional dyspepsia, irritable bowel syndrome, etc. It can be seen that there are many causes of abdominal distension, and to effectively treat abdominal distension, different treatment measures need to be taken for different causes, then the prerequisite is a clear diagnosis. Therefore, if you have abdominal distension, you should go to the hospital in time to improve the relevant examination and understand the specific condition, and not to use drugs without authorization, so as not to misdiagnose and delay the treatment.