Cozaar 50mg is a prescription medication containing losartan potassium, used to treat high blood pressure (hypertension) and protect the kidneys in patients with type 2 diabetes. Each pack contains 28 tablets manufactured by Organon. Cozaar belongs to a class of medications called angiotensin II receptor blockers (ARBs). The tablets come in a white box with blue and red stripes, clearly marked with the Organon logo. Each tablet contains 50mg of losartan potassium as the active ingredient. This medication requires a prescription and should be taken as directed by your healthcare provider. Store at room temperature away from moisture and heat.