DrugABC

UK medicines information — general guidance, not personalised advice.

Eplerenone

Eplerenone is a selective aldosterone antagonist used in the UK in some people after a heart attack with reduced heart pump function, and in certain chronic heart failure plans alongside other medicines. It is not the same as spironolactone but works in a related way on hormone pathways.

This medicine is part of the Blood pressure, cholesterol & related category.

Generic name: eplerenone

Quick answers

Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.

  • What is it for?

    Eplerenone is a selective aldosterone antagonist used in the UK in some people after a heart attack with reduced heart pump function, and in certain chronic heart failure plans alongside other medicin…

  • How long does it take to work?

    Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.

  • What are common side effects?

    Dizziness, headache, or raised potassium on blood tests without symptoms.

  • Can you take paracetamol or ibuprofen with it?

    ACE inhibitors, ARBs, NSAIDs, and potassium supplements raise hyperkalaemia risk.

More about what Eplerenone is used for

Eplerenone is a selective aldosterone antagonist used in the UK in some people after a heart attack with reduced heart pump function, and in certain chronic heart failure plans alongside other medicines.

It is not the same as spironolactone but works in a related way on hormone pathways.

How does Eplerenone work, and how long does it take to work?

It blocks aldosterone effects, reducing salt retention and harmful heart remodelling in selected patients.

Potassium can rise — monitoring is essential.

How and when should you take Eplerenone?

Dose is often increased gradually after blood tests. Swallow tablets with water, with or without food as your leaflet states.

Do not add potassium supplements or salt substitutes unless prescribed.

What are the common side effects of Eplerenone?

Dizziness, headache, or raised potassium on blood tests without symptoms.

Gynaecomastia is less common than with spironolactone but side effects vary.

Serious side effects of Eplerenone — when to get urgent help

Seek urgent help for palpitations, weakness, or tingling suggesting very high potassium.

Severe allergic reactions are rare but need emergency care.

What if you miss a dose of Eplerenone?

Take when remembered unless the next dose is soon; do not double.

Who should not take Eplerenone?

High potassium, significant kidney impairment, and combined use with certain potassium-raising drugs without monitoring are cautions.

Pregnancy needs specialist advice.

Can you take paracetamol or ibuprofen with Eplerenone? — other interactions

ACE inhibitors, ARBs, NSAIDs, and potassium supplements raise hyperkalaemia risk. Some antibiotics and antifungals interact — always check new medicines.

Eplerenone in pregnancy and breastfeeding

Discuss with your prescriber before pregnancy or breastfeeding.

Blood tests and monitoring on Eplerenone

Potassium and kidney function are checked after starting and with dose changes.

What might your GP prescribe instead of Eplerenone?

Spironolactone may be used in some heart failure plans when eplerenone is not suitable.

Reviewed by UK registered pharmacists

Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.

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Frequently asked questions about Eplerenone

People also ask — common Google searches

What is Eplerenone used for?
Eplerenone is a selective aldosterone antagonist used in the UK in some people after a heart attack with reduced heart pump function, and in certain chronic heart failure plans alongside other medicines. It is not the same as spironolactone but works in a related way on hormone pathways.
How long does Eplerenone take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
Can you take Eplerenone with paracetamol or ibuprofen?
ACE inhibitors, ARBs, NSAIDs, and potassium supplements raise hyperkalaemia risk.
What are the side effects of Eplerenone?
Dizziness, headache, or raised potassium on blood tests without symptoms. Gynaecomastia is less common than with spironolactone but side effects vary. See the sections below for more detail, including serious side effects and when to seek urgent help.
Why is my potassium checked on eplerenone?
The medicine reduces sodium loss while sparing potassium, so levels can climb dangerously if not monitored — attend blood test appointments.
Can I eat bananas on eplerenone?
High-potassium foods are not automatically banned, but large sudden increases can matter if your potassium runs high. Discuss diet changes with your clinician if blood tests are borderline.

Need personalised advice?

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Often used with

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