Cozaar (losartan) and lisinopril are used to treat hypertension. Lisinopril is also used to treat congestive heart failure and to improve survival after a heart attack. Cozaar and lisinopril belong to different drug classes. Cozaar is an angiotensin receptor blocker (ARB) and lisinopril is an angiotensin-converting enzyme inhibitor(ACE). Brand names for lisinopril include Zestril, Prinivil, and Qbrelis.
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