Valsartan is an antihypertensive medication that works primarily to treat heart failure, as does Valsartan Capsules 40mg. The use of the population will be somewhat different, the absorption of the drug may be slightly different. However, the specification of the drug is not one of the reasons affecting the efficacy. The specific effects of Valsartan include the release of catecholamines to the adrenal glands, the contraction of vascular smooth muscle, and is used in the treatment of various types of hypertension. It also improves cardiac function when taken by patients, has a long duration of action, keeps patients’ blood pressure stable, and is ideal for patients who have side effects from vascular converting enzyme inhibitors. Possible adverse reactions include angioedema, hypotension, renal impairment, hyperkalemia . It should be noted that it is contraindicated in patients with severe hepatic impairment, mid or late pregnancy. The drug needs to be used under medical supervision, not blindly on its own.