Losartan Potassium 50 MG is a medication that is used to treat high blood pressure and to protect the kidneys from diabetes-related damage. It's also used to reduce the risk of stroke in those who have high blood pressure and a big heart. This is very effective and safe to use. It should be taken as per the advice of the doctor. Strokes, heart attacks, and kidney issues can all be prevented by lowering blood pressure.