The generic name is amlodipine benzenesulfonate tablets, amlodipine tablets is a kind of calcium channel antagonist, in the clinical function is mainly used for the control of high blood pressure and coronary heart disease. Functions: It is mainly used to control high blood pressure, the drug itself can be used alone or combined with other antihypertensive drugs; the drug itself can be used alone or combined with other drugs to control chronic stable angina pectoris and variant angina pectoris. Adverse reactions: after the use of the drug there is a possibility of edema, flushing, fatigue, headache, dizziness, drowsiness, nausea, vomiting, palpitations, increased sweating, low blood pressure, body aches, purpura, respiratory distress, liver function abnormalities, as well as skin rashes. Contraindications: It is contraindicated for those who are allergic to the product. In the event of severe edema, headache, abnormal heart rhythm and generalized skin rash during the use of the drug, it is necessary to discontinue the use of the drug, consult a doctor for observation, and carry out standardized treatment under the guidance of a clinician.