Compare Losartan vs. Diovan

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Cozaar (Losartan)

Prescription only

Diovan (Valsartan)

Prescription only
Lowers blood pressure.

Cozaar (Losartan) is a good blood pressure-lowering medicine that protects kidney function like an ACE inhibitor, but with fewer side effects.

●●●●●
3.7/ 5 average rating with 535 reviewsforLosartan
Lowers blood pressure.

Diovan (Valsartan) is a good blood pressure-lowering medicine that protects kidney function like an ACE inhibitor, but with fewer side effects.

●●●●●
3.8/ 5 average rating with 431 reviewsforDiovan
Upsides
  • A first-choice blood pressure treatment for many people.
  • Lowers the risk of heart attack and stroke.
  • Similar to ACE inhibitors (like Lisinopril), with fewer side effects like cough and swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Recommended for anyone with heart failure since it lowers the risk of death and further damage to your heart.
  • A first-choice blood pressure treatment for many people.
  • Lowers the risk of heart attack and stroke.
  • Similar to ACE inhibitors (like Lisinopril), with fewer side effects like cough and swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Recommended for anyone with heart failure since it lowers the risk of death and further damage to your heart.
Downsides
  • Requires a yearly blood test to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
  • Requires a yearly blood test to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
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Used for
Dosage forms
  • Pill
  • Pill
Price
Lowest price
$118.19
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Lowest price
$20.07
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Reviews
535 reviews so far
57%
saidit'sworth it
48%
saiditworked well
16%
saidit'sa big hassle

Have you used Cozaar (Losartan)?

Leave a review
431 reviews so far
65%
saidit'sworth it
54%
saiditworked well
15%
saidit'sa big hassle

Have you used Diovan (Valsartan)?

Leave a review
Side effects
4possible side effects
  • Upper respiratory infection
    8%
  • Dizziness
    3%
  • Back pain
    2%
  • Nasal congestion
    2%
See more detailed side effects
The Diovan (Valsartan) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Harm to fetus
    • Women of childbearing age
  • Liver damage
    • Concurrent liver disease
  • Heart problems due to high potassium
    • Current kidney problems
    • Medicine that increase potassium
    • Use of salt substitute
See more detailed risks and warnings
  • Harm to fetus
    • Women of childbearing age
  • Unusual tongue swelling
    • African descent
  • Heart problems due to high potassium
    • Current kidney problems
    • Medicine that increase potassium
    • Use of salt substitute
See more detailed risks and warnings
Learn more about Cozaar (Losartan)
Learn more about Diovan (Valsartan)