What Is Losartan Used For? Losartan is mainly used to: Lower high blood pressure Reduce the risk of stroke Protect the kidneys, especially in people with diabetes Treat heart failure in some patients By controlling blood pressure, losartan helps prevent serious problems like heart attacks and kidney damage. How Does Losartan Work? Losartan blocks the action of a hormone called angiotensin II, which normally causes blood vessels to tighten. When this hormone is blocked, blood vessels relax, blood pressure drops, and the heart doesn’t have to work as hard. How Is Losartan Taken? Losartan is taken by mouth, usually once daily, with or without food. The dose depends on the person’s condition and how well they respond to treatment. It’s important to take it at the same time each day for best results. Possible Side Effects Most people tolerate losartan well, but some may experience: Dizziness or lightheadedness Fatigue Headache Low blood pressure (especially when starting treatment) Serious side effects are rare, but any unusual symptoms should be reported to a doctor. Important Tips Take losartan exactly as prescribed Do not stop taking it suddenly without medical advice Regular blood pressure checks are important Staying active and eating a healthy diet improves results Final Thoughts Losartan is a safe and effective medication for managing high blood pressure and protecting the heart and kidneys. When used correctly and combined with a healthy lifestyle, it plays a key role in long-term health.

Disclaimer & Credit: All medical articles including ours, are informative and provide population trends not specific to individuals which can be very different. Always seek personalized medical advice from your doctor for individual healthcare decisions.

Posted January 15, 2026