💊 Losartan: Uses, Dosage, and Side Effects


Losartan is a commonly prescribed medicine that belongs to a class of drugs called angiotensin II receptor blockers (ARBs). It is mainly used to treat high blood pressure and protect the kidneys in diabetic patients.


✅ What is Losartan?


Losartan works by relaxing blood vessels, making it easier for the heart to pump blood. This helps lower blood pressure and reduces the risk of stroke, heart attack, and kidney problems.


📌 Common Uses


  • Treatment of high blood pressure (hypertension)

  • Protecting kidneys in type 2 diabetes with proteinuria

  • Managing heart failure (sometimes prescribed with other drugs)

  • Reducing risk of stroke in certain patients



💊 Dosage (for Adults)


  • Usual starting dose: 50 mg once daily

  • Can be increased to 100 mg daily depending on response

  • For children (above 6 years): dose depends on body weight (doctor’s advice needed)



⚠️ Side Effects


  • Losartan is generally well tolerated, but some people may experience:

  • Dizziness or lightheadedness

  • High potassium levels (hyperkalemia)

  • Fatigue or weakness

  • Rare: kidney problems, allergic reactions



❗ Important Safety Tips


  • Do not use Losartan during pregnancy

  • Monitor blood pressure regularly

  • Check kidney function and potassium levels if used long-term

  • Avoid salt substitutes containing potassium unless advised by doctor


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