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Losartan
Pronounced loe-SAR-tan
Brand names: Cozaar
Type: Angiotensin receptor blocker (ARB) · All Heart & Blood Pressure Medicines
What Losartan is used for
- High blood pressure
- Kidney protection in type 2 diabetes
- Stroke risk reduction in certain patients
◆ Kidney note
Kidney function and potassium are checked after starting; it helps protect kidneys in diabetes but can raise potassium.
Common side effects
- Dizziness
- Stuffy nose
- Back pain
- Tiredness
Important cautions
- Can seriously harm an unborn baby — must not be used in pregnancy
- Can cause swelling of the lips, tongue, or throat in rare cases
How it comes
Tablets. This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Losartan also appears on Medicines That Can Harm the Kidneys.
Related medicines — Heart & Blood Pressure Medicines
Condition guides on MedicalVideos.com
- High Blood Pressure (Hypertension) — videos, articles and guides · medicines for high blood pressure (hypertension)
- Type 2 Diabetes — videos, articles and guides · medicines for type 2 diabetes
- Stroke — videos, articles and guides · medicines for stroke
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.