This product is a synthetic non-peptide angiotensin converting enzyme inhibitor, which mainly acts on the renin-angiotensin-aldosterone system (RAA system). Inhibit angiotensin converting enzyme (ACE) in RAA system, prevent angiotensin I conversion or angiotensin II conversion, inhibit aldosterone secretion, and reduce water and sodium retention. Used for hypertension, but also for heart failure patients who do not respond to diuretics and digitalis.

Captopril is an angiotensin converting enzyme inhibitor (ACEI), which is widely used to treat hypertension, coronary heart disease and heart failure. In recent years, it has been found that it can also reduce pulmonary artery pressure and pulmonary capillary blood pressure, and has also made new progress in treating cor pulmonale.

Individuals with proteinuria, granulocyte, neutropenia and increased SGPT and SGOT can recover after stopping taking the drug. Serum creatinine may increase in patients with impaired renal function, and patients with oliguria may cause hyperkalemia. Occasionally, angioedema and arrhythmia occur.