Side effects (including adverse reactions) of domperidone tablets include dizziness, drowsiness, lethargy, abdominal cramps, diarrhea, etc. Contraindications include mechanical gastrointestinal obstruction, gastrointestinal bleeding and perforation. Domperidone tablets are used to relieve symptoms related to dyspepsia, abdominal distension, belching, etc. This product can increase peristalsis and tone of the gastrointestinal tract, promote gastric emptying, inhibit nausea and vomiting, and the common side effects (including adverse reactions) include drowsiness, lethargy, abdominal cramps, diarrhea, reflux, nausea, heartburn sensation, and skin rash. Contraindications include mechanical gastrointestinal obstruction, gastrointestinal bleeding, pheochromocytoma, breast cancer, moderate to severe hepatic insufficiency. The precautions of domperidone tablets are that the drug use time is generally not more than 1 week, severe vomiting, acute abdominal pain patients should go to the hospital, patients with renal insufficiency should be used under the guidance of a physician. The above drugs need to be used under the guidance of a doctor, the specific treatment program, need to be under the guidance of a doctor, in order to better treat the disease.