Losartan is a type of medication called an angiotensin receptor blocker (ARB) used to lower blood pressure (BP).
Losartan works by blocking the action of angiotensin II, a substance in the body that causes blood vessels to tighten and narrow. By blocking angiotensin II, losartan relaxes and widens blood vessels, making it easier for the heart to pump blood and lowering blood pressure.
How Losartan Works:
- Angiotensin II Blockade: Losartan specifically targets and blocks the receptors where angiotensin II binds.
- Vasodilation: This blockade leads to vasodilation, meaning the blood vessels widen.
- Reduced Blood Pressure: Wider blood vessels result in decreased resistance to blood flow, thus lowering blood pressure.
Benefits of Lowering Blood Pressure with Losartan:
- Reduced risk of stroke: High blood pressure is a major risk factor for stroke.
- Reduced risk of heart attack: Lowering blood pressure can help prevent heart attacks.
- Reduced risk of kidney disease: High blood pressure can damage the kidneys.
- Improved heart health: By reducing the workload on the heart, losartan helps improve overall heart health.
Important Considerations:
- Losartan is typically taken orally, as prescribed by a doctor.
- Like all medications, losartan can have side effects, which should be discussed with a healthcare provider.
- It's important to follow your doctor's instructions carefully when taking losartan.
In summary, losartan is an effective medication for lowering blood pressure by relaxing blood vessels, ultimately reducing the risk of cardiovascular complications.