There is no exact time for how long it takes to get edema when taking levamlodipine benzenesulfonate tablets, and the time of edema varies significantly from patient to patient. The main effect of levamlodipine benzenesulfonate is to inhibit the inward flow of calcium ions, which can dilate the coronary arteries and peripheral blood vessels, and is commonly used in clinical practice to treat coronary heart disease and hypertension. The adverse reactions of amlodipine benzenesulfonate include lower limb edema, constipation, tachycardia, etc. There are obvious differences in the occurrence of adverse reactions in different patients. Some patients in the drug within a short period of time can appear the symptoms of lower limb edema, the response to the drug is more obvious, patients with more serious symptoms can stop the drug for other drugs, such as valsartan. Some patients adverse reactions appear slower, may appear months or years after taking the drug, if the symptoms are not obvious, you can continue to take oral drug therapy. When choosing levamlodipine benzenesulfonate to lower blood pressure, it is important to use the drug under the guidance of a physician, and the occurrence of adverse reactions should be reported to the doctor in a timely manner, so that the treatment program can be adjusted under the guidance of the physician.