Common causes of stomach bloating and nausea after eating include chronic gastritis, gastrointestinal dysfunction, gastric ulcers, etc., which can be treated by taking domperidone and omeprazole. Chronic gastritis, gastrointestinal dysfunction, gastric ulcer and other diseases can lead to gastric digestive dysfunction, which in turn leads to symptoms such as bloating and nausea. You can take domperidone, mosapride and other drugs to promote gastric power, or omeprazole, ranitidine and other drugs to inhibit the secretion of gastric acid, which is conducive to improve the situation of nausea and bloating after meals. The above drugs are prohibited for those who are allergic to them and should be taken in accordance with medical advice. If the symptoms of bloating and nausea are serious, or persist without improvement, it is recommended to go to a regular hospital in a timely manner, to clarify the cause of the disease, and then under the guidance of the doctor to carry out targeted treatment.