Bayxin Tong, or nifedipine controlled-release tablets, is a medication for the treatment of hypertension, and its dosing instructions show that the common adverse effects of blood vessels are mainly manifested as edema, so when they occur, you should seek medical attention, write about changing hypertension medication, and take oral dehydration medication. Nifedipine controlled-release tablets is a kind of calcium ion antagonist, can act on the cardiomyocytes, coronary arteries, peripheral blood vessels, etc., so as to achieve the efficacy of dilating the coronary arteries, increase blood flow, reduce blood pressure. Its dosing instructions indicate that dizziness, edema, vasodilation, constipation and other common adverse reactions may occur during administration. Therefore, after the emergence of ankle edema, you should consult a doctor in time, use dehydrating agents such as furosemide under the guidance of a doctor, and elevate both lower limbs to promote fluid reflux. Replace other antihypertensive drugs, such as angiotensin-converting enzyme inhibitors such as enalapril, angiotensin receptor antagonists such as valsartan, diuretics such as furosemide. Nifedipine controlled-release tablets are contraindicated in cases of cardiogenic shock, ileostomy after recto-colonic resection, and should also be prohibited for those who are allergic to the components of this drug. Any discomfort is recommended to consult a doctor in time, and standardized treatment under the guidance of a doctor.