Levamlodipine benzenesulfonate tablets only improve the symptoms of palpitations caused by high blood pressure and angina pectoris. Levamlodipine benzenesulfonate tablets is a calcium channel blocker, this drug may not only diastole vascular smooth muscle, but also prevent calcium ion cells through the cell membrane of the calcium ion channels into the vascular smooth muscle and cardiac muscle cells. The drug does not treat all palpitations, but only symptoms of palpitations caused by hypertension and angina pectoris. During administration, most patients tolerate levamlodipine benzenesulfonate tablets well, and only a few patients experience side effects such as headache, fatigue, insomnia, nausea, flushing, abdominal pain, and dizziness. The drug is contraindicated in people who are allergic to dihydropyridine calcium antagonists. The drug cannot be dialyzed. Levamlodipine Benzenesulfonate Tablet is a prescription drug and its use must be under the supervision of a medical professional.