Levamlodipine Benzenesulfonate treats high blood pressure and angina pectoris, and side effects of long-term use may include headache, edema, fatigue, insomnia, and arthralgia. Levamlodipine benzenesulfonate is a calcium channel antagonist that diastole vascular smooth muscle, antihypertensive, and also relieves angina. The use of levamlodipine benzenesulfonate is generally well tolerated, headache and insomnia, edema, fatigue, nausea and vomiting, red face, palpitations and other discomforts may occur during prolonged use, and rare adverse reactions include itching, rash, dyspnea, muscle cramps, dyspepsia and so on. Levamlodipine benzenesulfonate is contraindicated in people with a history of hypersensitivity to dihydropyridine calcium antagonists such as felodipine and nifedipine, and should also be used with caution in people with impaired hepatic function, and those with severe obstructive coronary artery disease. Levamlodipine benzenesulfonate should be used under the guidance of a doctor, long-term use of regular, quantitative drug, do not arbitrarily increase or decrease the dosage or stop the drug, regular monitoring of blood pressure, as prescribed by the doctor on time to follow-up.