Aldactone

(spironolactone)

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Removes extra water from your body.

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Our bottom line

Aldactone (spironolactone) should be used with other medicines to get rid of excess fluid in your body, especially if you have heart failure.

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    $82.03
Quick facts about spironolactone
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (spironolactone)

Upsides

  • Has a low risk of causing muscle problems from low potassium levels in your blood.
  • More useful when taken with another diuretic that'll also help your body get rid of extra fluids.
  • Can lower blood pressure.
  • Reduces the risk of death in people with heart failure.
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What to expect from spironolactone, on one page

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Downsides

  • Aldactone (spironolactone) doesn't work well on its own. It should be used with another drug to help get rid of excess fluids.
  • Has many possible side effects, especially when higher doses are used.
  • Can increase the risk of tumor growth.
  • You'll need to have blood tests done regularly since Aldactone (spironolactone) can affect your potassium levels and kidneys.
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What to expect from spironolactone, on one page

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How it works

Aldactone (spironolactone) is a potassium-sparing diuretic that blocks aldosterone (a hormone) and helps the kidney get rid of excess fluids in your body.

Quick facts about spironolactone
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (spironolactone)

Dosage forms

  • Pill
Tried spironolactone? Write a review!

Prices and coupons

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What to expect when you take Aldactone (spironolactone) for High blood pressure

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  • Effectiveness
  • Starts to kick in
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  • Possible side effects
  • Dizziness
  • Breast tenderness
  • Diarrhea
  • Nausea
  • Raised potassium
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Side effect rates for Aldactone (spironolactone)

Risks and Warnings for Aldactone (spironolactone)

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  • Aldactone (spironolactone) can cause tumors, so you should talk to your doctor to make sure it's right for you.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Aldactone (spironolactone)

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Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Tip: Always talk with your doctor before you take any medication while pregnant.
FDA pregnancy category for spironolactone
CWeigh risks vs. benefits
Kidneys and liver
  • You'll need to have blood tests done regularly since Aldactone (spironolactone) can affect your potassium levels and kidneys.
Pain
  • It can cause breast pain/swelling, irregular periods (women), or trouble with sexual performance.