Aldactone is a medication primarily used in the management of conditions related to heart failure, high blood pressure, and certain cases of hyperaldosteronism. It belongs to a group of medicines called potassium-sparing diuretics, also known as water pills. Aldactone helps to reduce the amount of fluid in the body without causing the loss of potassium, unlike other diuretics. It’s also used for treating conditions like edema (swelling) associated with heart, liver, or kidney disease and for patients with certain hormonal imbalances such as excessive hair growth or acne.

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The active ingredient in Aldactone is spironolactone, which works by blocking the actions of the hormone aldosterone. Aldosterone regulates the balance of salt and water in the body. By blocking aldosterone, spironolactone increases the excretion of water and sodium through the urine while conserving potassium, thus reducing fluid buildup and blood pressure.

Additional information


Aldactone is usually prescribed as a tablet to be taken orally. The dosage and duration of treatment depend on the condition being treated and the patient's response to the medication. It's important to follow the prescribing healthcare provider's instructions regarding the dosage. For blood pressure and heart failure, Aldactone may be used alongside other medications. The treatment period might be longer for the treatment of hormonal imbalances, requiring several weeks to observe improvements.

Side Effects

● Nausea or vomiting ● Diarrhea ● Headache ● Dizziness or lightheadedness ● Breast tenderness or enlargement in men (gynecomastia) Serious side effects are less common but may include: ● Electrolyte imbalances ● Signs of kidney problems ● Allergic reactions


Aldactone should be stored at room temperature, away from moisture and heat. Keep the medicine in its original container, tightly closed, and out of reach of children and pets. Dispose of expired or no longer needed medication according to the guidelines provided by a pharmacist or local waste disposal company.

Special Precautions

Before taking Aldactone, patients should inform their healthcare provider if they have kidney disease, high potassium levels in their blood, or if they are using other medications, especially supplements or drugs that raise potassium levels. Pregnant or breastfeeding women should discuss with their healthcare provider the potential risks and benefits of using Aldactone due to the possible effects on unborn babies or nursing infants.


An overdose of Aldactone can lead to symptoms such as dizziness, confusion, nausea, vomiting, or diarrhea. In severe cases, it can result in dehydration, electrolyte imbalances, or even coma. An overdose requires immediate medical attention to manage any adverse effects properly.


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