The dosage of Berberine Hydrochloride Tablets is 1 to 3 tablets per time for adults and 0.5 to 2.5 tablets per time for children, 3 times a day, the exact dosage should be determined by the physician according to the patient’s condition. Side effects include nausea, vomiting, skin rash and medicinal fever. Berberine Hydrochloride Tablet is indicated for the treatment of gastroenteritis. Possible side effects of the drug are nausea, vomiting, skin rash, drug fever, etc., which can be recovered after stopping the drug. It is contraindicated in patients who are allergic to the product and the ingredients contained in it, patients with hemolytic anemia and glucose-6-formate dehydrogenase deficiency. Use with caution in the first 3 months of pregnancy. Patients with gastroenteritis need to be treated under the guidance of a physician, if there is significant discomfort after taking this drug need to stop the drug in time to consult a doctor.