The generic name of the drug Presseda is amlodipine benzenesulfonate tablets, and its antihypertensive effect is fair, depending on the person. Amlodipine benzenesulfonate tablets are commonly used clinical antihypertensive drugs, is a dihydropyridine calcium antagonist, can inhibit calcium ions across the membrane into the vascular smooth muscle and myocardial muscle, with the lowering of peripheral vascular resistance and blood pressure, relief of angina pectoris, inhibit coronary artery spasm and other effects. Clinically, it is mainly used in the treatment of hypertension, coronary heart disease and other diseases, as the first-line treatment of hypertension, and its antihypertensive effect is still possible, the specific existence of individual differences. The adverse reactions of amlodipine benzenesulfonate tablets include peripheral edema, dizziness, flushing, palpitations (rapid heartbeat, often accompanied by panic), headache, fatigue, nausea, abdominal pain, drowsiness and so on. Contraindicated for those who are allergic to the product and its components. If you need to use the drug, it should be used under the guidance of a doctor, do not use it on your own to avoid adverse effects.