Skip to main content
Medically Approved

Aldactone dosage: A detailed guide

twitter share buttonfacebook share buttonlinkedin share buttonemail article button
Form and strengthsDosageFAQHow it’s takenCouponOverdoseAsk your doctor
Doctors prescribe Aldactone for heart failure, high blood pressure, a type of fluid buildup, and high levels of aldosterone hormone. You take it by mouth once or multiple times per day, depending on your condition and dose.
Medically reviewed by Christina Bookwalter PharmD, MS MEd, BCPS, BCACP
Updated on

This article describes Aldactone’s dosages and strengths and gives details on how to take it. You’ll also find information on cost savings and coupon options for Aldactone. If you want to know more about Aldactone, check this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.

Aldactone is a brand-name medication that comes as an oral tablet. It’s available in a generic version called spironolactone.

Need a diagnosis or prescription quickly? For certain health conditions, Optum Perks offers personalized on-demand care with no appointment required. For $25, answer a few questions online and receive a diagnosis and treatment plan from a board certified healthcare professional in 15 minutes or less. Get started here.

Form and strengths of Aldactone

Aldactone comes as follows:

  • Forms: oral tablet, which you’ll take by swallowing
  • Strengths: 25 milligrams (mg), 50 mg, and 100 mg

Dosage of Aldactone

This article describes the recommended dosages for Aldactone. The drugmaker provides these dosages.

If your doctor prescribes this medication, you should follow the dosage they prescribe. They’ll determine the dosage that best meets your needs. Do not change your dosage of Aldactone without your doctor’s recommendation.

Usual recommended dosages of Aldactone in adults

Typically, doctors start by prescribing a low dosage of Aldactone. Then, they’ll adjust it over time until the right dosage is reached. Ultimately, your doctor will prescribe the smallest dosage of Aldactone that gives the desired outcome.

Dosage for high blood pressure, heart failure, fluid buildup, and other conditions

ConditionRecommended doseFrequency
heart failure25–50 mgonce per day
high blood pressure25–100 mgonce per day or divided into multiple doses per day
fluid buildup in people with cirrhosis25–200 mgonce per day or divided into multiple doses per day
before surgery for primary hyperaldosteronism or for long-term treatment100–400 mgonce per day

Dosage adjustments for Aldactone

Your doctor will prescribe a dosage of Aldactone based on several factors. These include:

  • the specific condition being treated and how severe it is
  • how well you tolerate Aldactone
  • other health conditions you may have

Missed dose of Aldactone

Talk with your doctor or pharmacist right away if you realize you forgot to take a dose of Aldactone. They may advise you to take the missed dose. Or they may advise you to skip it and take your next dose as scheduled.

For tips on how to plan your doses of Aldactone and avoid missing a dose, read this article. You could also try:

  • downloading a reminder app on your phone
  • setting an alarm
  • putting a note where you’ll see it, such as on your calendar, bathroom mirror, or bedside table

Frequently asked questions

Below are answers to some commonly asked questions about Aldactone and its dosage.

Can Aldactone be used for acne? If so, what is the dosage?

Aldactone is not approved by the Food and Drug Administration (FDA) to treat acne. But doctors may prescribe it off-label for this use. With off-label use, doctors prescribe a drug for a purpose other than what it’s approved for.

Talk with your doctor if you have questions about Aldactone dosage and acne.

Is Aldactone taken long term?

Yes, doctors typically prescribe Aldactone as a long-term treatment. If you and your doctor determine that it’s safe and effective for your condition, you’ll likely take it long term.

If you have questions about how long you should take Aldactone, talk with your doctor.

How Aldactone is taken

You’ll swallow Aldactone whole. The number of times you take Aldactone per day will depend on your condition and dose.

You can take Aldactone with or without food. But you should consistently take it the same way either with food or without food.

If it’s hard for you to swallow tablets, view this article. It provides suggestions on how to swallow medications that come in pill form.

Also, be sure to talk with your doctor or pharmacist if you’re having difficulty taking your medication. They can offer recommendations about taking it.

Aldactone coupon

Visit this page to access Optum Perks coupons and get price estimates for Aldactone when you use the coupons. These coupons can provide significant savings on your prescription costs. 

Note: Optum Perks coupons cannot be used with insurance copays or benefits.

Download the free Optum Perks Discount Card to save up to 80% on some prescription medications.

Pill bottle with text 'Starts at $4'

Free prescription coupons

Seriously … free. Explore prices that beat the competition 70% of the time.

Get free card

Overdose of Aldactone

It’s important that you do not take more Aldactone than your doctor prescribes. Doing so can lead to harmful effects.

Symptoms of Aldactone overdose

Symptoms of an overdose can include:

  • tiredness
  • confusion
  • skin rash
  • nausea
  • vomiting
  • dizziness
  • diarrhea

What to do if you take too much Aldactone

If you think you’ve taken too much Aldactone, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.

What to ask your doctor

This article describes the usual recommended dosages for Aldactone. If your doctor prescribes this medication, they’ll determine the dosage that’s best for you.

Do not change your dosage of Aldactone without your doctor’s recommendation. You should take Aldactone exactly as your doctor prescribes it. Let your doctor know if you have concerns or questions about your treatment plan.

Here’s a list of some possible questions you may want to ask your doctor:

  • Will my Aldactone dosage stay the same during my entire treatment?
  • How long should I take Aldactone?
  • How many times per day should I take Aldactone?

Disclaimer: Optum Perks has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.

Article resources