Compare Triamterene vs. Inspra

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

Dyrenium (Triamterene)

Inspra (eplerenone)

Prescription only
No information currently available
Helps lower blood pressure and protect the heart in people with heart failure.

Inspra (eplerenone) lowers blood pressure and can help remove fluid when it's used with other drugs. It reduces the risk of death in people with heart failure and is usually used when people can't take spironolactone.

Upsides
No information currently available
  • Lowers your blood pressure.
  • It can help remove fluid from your body when it's used with other drugs.
  • Reduces the risk of death in people with heart failure.
  • It can have fewer side effects than spironolactone.
Downsides
No information currently available
  • Inspra (eplerenone) isn't a first choice medicine for lowering blood pressure or getting rid of fluid in the body. It's usually used in combination with other medicines.
  • It can make you feel dizzy for the first few days. Be careful driving until you know how it affects you.
  • You'll need to have blood tests done regularly since Inspra (eplerenone) can affect your potassium levels and kidney function.
  • It can be very expensive compared to spironolactone.
Used for
Dosage forms
  • Pill
  • Pill
Price
Lowest price near you
$302.36
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Lowest price near you
$39.26
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Reviews
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Side effects
The Dyrenium (Triamterene) FDA package insert doesn’t have numbers about how common side effects are.
2possible side effects
  • High potassium
    3%
  • Abnormal renal function
    3%
See more detailed side effects
Risks and warnings
No information currently available
  • Low blood pressure

    Taking with alcohol

    ...and 1 more risk factors

  • Heart problems from high potassium

    Current kidney problems

    ...and 3 more risk factors

  • Kidney problems

    Current kidney problems

  • Liver problems

    Liver damage

See more detailed risks and warnings