What it is

Cozaar (losartan) belongs to a group of drugs called angiotensin II receptor antagonists (sometimes called ARB blockers). It keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow.

What it treats

Cozaar is used to treat high blood pressure (hypertension) in adults and children who are at least 6 years old. It is also used to lower the risk of stroke in certain people with heart disease. Cozaar is also used to slow long-term kidney damage in people with type 2...