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Kerendia vs. Spironolactone

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

Kerendia

(finerenone)

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Spironolactone

(Aldactone)

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Summary for Kerendia

Prescription only

Kerendia (finerenone) is a mineralocorticoid receptor antagonist used to lower the risk of serious kidney and heart problems. It's approved for adults with chronic kidney disease (CKD) caused by Type 2 diabetes and for certain adults with heart failure. You take the medication by mouth once a day, with or without food. Common side effects include high potassium levels, low blood pressure, and low sodium levels.

Indications for Kerendia

Pros and Cons for Kerendia

Pros

  • Protects your kidneys and lowers heart risks
  • Taken by mouth once per day
  • Can be taken with or without food

Cons

  • Won't be able to "feel" the medication working
  • Can raise blood potassium levels
  • Requires regular blood test to check potassium levels and kidney function

Common Side Effects for Kerendia

  • High blood potassium levels (14%)

Warnings for Kerendia

  • High potassium levels
  • Worsening kidney function (people with heart failure)

Summary for Spironolactone

Prescription only

Spironolactone (Aldactone) is a type of potassium-sparing diuretic (water pill). It's used to treat heart failure, high blood pressure, and swelling from kidney or liver problems in adults. Because it blocks aldosterone (a hormone that affects sodium and potassium levels), spironolactone (Aldactone) can also treat conditions where there's too much aldosterone. Spironolactone (Aldactone) is taken by mouth, generally once or a few times a day, depending on your condition. Some common side effects of this medication include breast tenderness (males and females) and loss of libido (in males).

Indications for Spironolactone

Pros and Cons for Spironolactone

Pros

  • Taken by mouth
  • Oral suspension available for adults who've difficulty swallowing tablets
  • Lower-cost generics available

Cons

  • Can make you urinate more often
  • Need to get blood tests regularly to check your electrolytes and kidney health
  • Can cause breast growth and lower sex drive in males

Common Side Effects for Spironolactone

  • Dizziness
  • Headache
  • Sleepiness
  • Nausea
  • Vomiting
  • Diarrhea
  • Stomach cramps
  • Enlargement of male breasts
  • Breast pain
  • Lower sex drive
  • Sexual dysfunction
  • Irregular or lack of menstrual periods
  • Leg cramps
  • Higher potassium levels
  • Lower sodium levels

Warnings for Spironolactone

  • High blood potassium levels
  • Low blood pressure and kidney problems
  • Abnormal electrolyte levels
  • Breast pain or swelling

Prices with our coupons for Kerendia vs. Spironolactone

Price Card Drug Icon
Kerendia30 tablets / 10mg
$692.46$894.92
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Spironolactone30 tablets / 25mg
$9.47$19.68
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