Domperidone Tablet is a relatively common gastric medication that promotes the restoration of gastrointestinal power and improves indigestion. Side effects of Domperidone Tablet mainly include gastrointestinal reactions, central nervous system reactions, endocrine and metabolic system reactions. It is forbidden to use in people who are allergic to this drug, mechanical intestinal obstruction, gastrointestinal bleeding, etc.. The specific use of the drug is subject to the guidance of the doctor. 1. Gastrointestinal reactions: thirst, constipation, diarrhea, transient abdominal cramping pain, etc. may occur after taking the drug, but usually does not affect the use of the drug, and can refer to the doctor’s advice to continue to use. If patients are known or suspected to have severe gastric ulcer, gastric hemorrhage, gastric perforation, it is recommended not to take Domperidone Tablets. 2. Central nervous system reaction: Neurological symptoms, such as headache, drowsiness, etc., may occur after taking. Although domperidone tablets are dopamine receptor antagonists, they have poor permeability to the blood-brain barrier, so they have almost no antagonistic effect on dopamine receptors in the brain, and adverse reactions in the mental and central nervous system are rare. 3. Endocrine and metabolic system reactions: Domperidone is a powerful prolactin-releasing drug, which can cause breast tenderness, gynecomastia, amenorrhea, irregular menstruation and so on. Pregnant and lactating women need to be careful with the medication and should consult their doctor first if they need to take it. In addition to the above side effects, the side effects of Domperidone Tablets include allergic reactions, rapid heartbeat, arrhythmia, leg cramps and other discomforts. If any of these discomforts occur, you need to stop taking the medicine and consult a doctor for examination, and then use it under the guidance of a doctor.