an ACE inhibiting drug (trade names Prinivil or Zestril) administered as an antihypertensive and after heart attacks

Lisinopril (lye-SIH-no-pril, is a drug of the angiotensin converting enzyme (ACE) inhibitor class that is primarily used in treatment of hypertension, congestive heart failure, heart attacks and also in preventing renal and retinal complications of diabetes.