The full name of Berberine is Berberine Hydrochloride Tablets. There is no strict regulation on whether it should be taken before or after meal, if the physique has a good gastrointestinal condition, it can be chosen to be taken before meal, and if the patient’s gastrointestinal intolerance, it can be chosen to be taken after meal. 1. Gastrointestinal tolerance: The main ingredient of this drug is berberine hydrochloride, and the excipient is starch, which is suitable for intestinal infections, such as gastroenteritis. If the patient’s physique, stomach and intestines are good, and there is no obvious nausea, vomiting and other adverse reactions after taking the medicine on an empty stomach, then you can choose to take it before meals, so that the ingredients of the drug can reach the intestines quickly. 2. Gastrointestinal intolerance: For patients with gastrointestinal intolerance, taking the drug before meals may cause gastrointestinal reactions, such as loss of appetite, vomiting, nausea, diarrhea and so on. At this time, you can choose to take it after meals. The irritation of the drug on the gastrointestinal tract can be reduced to a certain extent. When taking this drug, follow the doctor’s instructions, pay attention to the first trimester of pregnancy with caution, allergy to this product, hemolytic anemia patients and glucose-6-phosphate dehydrogenase deficiency is prohibited, allergic individuals should be used with caution. Occasionally see nausea, vomiting, drug fever and other adverse reactions, if you take or have an uncomfortable reaction is recommended to consult a doctor in time.