losartan potassium

Definition / meaning of losartan potassium

A drug used to treat high blood pressure. Losartan potassium blocks the action of chemicals that make blood vessels constrict (get narrower). It is a type of angiotensin II receptor antagonist. Also called Cozaar and losartan.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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