Aldactone 50
Aldactone 50 is a tablet that contains Spironolactone 50 mg. Spironolactone is a diuretic (potassium-sparing): removes extra fluid in heart failure and liver disease; also used for some hormone conditions.
| Ingredient (salt) | Amount |
|---|---|
| Spironolactone | 50 mg |
What it is used for
Removes extra fluid in heart failure and liver disease; also used for some hormone conditions.
How it works
A potassium-sparing diuretic that blocks the hormone aldosterone; used for heart failure, liver fluid, resistant high blood pressure, acne and excess hair in women.
How to take it
Usually 25 to 100 mg once a day with food. Blood potassium is checked.
Common side effects
- Breast swelling or tenderness (men too)
- Irregular periods
- Dizziness
- High potassium
Get medical help straight away if
Muscle weakness, slow or irregular heartbeat (high potassium)
Be careful
Can raise potassium; avoid potassium supplements unless advised.
Other medicines and interactions
Do not take potassium supplements or salt substitutes unless told. Risk of high potassium with ACE inhibitors, ARBs, trimethoprim and NSAIDs.
Pregnancy and breastfeeding
Avoid in pregnancy; considered acceptable while breastfeeding.
Same ingredients, different strength or form
Common questions
What is Aldactone 50?
Aldactone 50 is a tablet containing Spironolactone 50 mg.
What is Aldactone 50 used for?
Removes extra fluid in heart failure and liver disease; also used for some hormone conditions.
How should I take Aldactone 50?
Usually 25 to 100 mg once a day with food. Blood potassium is checked. Always follow the dose your doctor or the pack gives.
What are the side effects of Aldactone 50?
Common side effects include: Breast swelling or tenderness (men too), irregular periods, dizziness, high potassium. Get medical help straight away for: Muscle weakness, slow or irregular heartbeat (high potassium).
Does Aldactone 50 need a prescription?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Can I take Aldactone 50 in pregnancy or while breastfeeding?
Avoid in pregnancy; considered acceptable while breastfeeding.
What are the substitutes for Aldactone 50?
We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.
Sources and further reading
- Spironolactone: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.
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