Used primarily in the treatment of hypertension (high blood pressure), this compound helps lower blood pressure by inhibiting the angiotensin-converting enzyme (ACE), which reduces the production of angiotensin II—a substance that narrows blood vessels. By blocking this action, it promotes blood vessel relaxation and decreases fluid volume, easing the workload on the heart. It is also prescribed for managing heart failure and improving survival after heart attacks, particularly in patients with left ventricular dysfunction. Additionally, it may be used to protect kidney function in patients with diabetes by reducing proteinuria and slowing the progression of renal damage.