Eat antihypertensive drugs leg swelling if the adverse drug reaction, the condition is not serious, but be alert to the formation of lower extremity venous thrombosis. Some patients with high blood pressure in the process of oral antihypertensive drugs, may appear lower limb edema, and the adverse effects of drugs, mainly calcium antagonist drugs as obvious, such as amlodipine, nifedipine, etc., leg swelling and the vasodilator effect of the drug is related. Hypertension drug-induced leg swelling is not serious, some patients will gradually alleviate the symptoms, the symptoms persist, you can adjust the drug or reduce the amount of drugs, can also alleviate the symptoms of leg swelling, and rarely appear serious edema. Hypertensive patients with leg swelling, but also alert to the formation of venous thrombosis of the lower extremities, adjusting the drug if the symptoms of leg swelling still exists, to the hospital in a timely manner, under the guidance of the physician to improve the lower extremity ultrasound and other tests, except for the formation of venous thrombosis of the lower extremities.