Aldactone (spironolactone) is a diuretic that reduces edema and blood pressure by blocking aldosterone receptors. Learn about its indications, dosage, side effects, interactions, warnings, and precautions. Aldactone 50 mg Tablet is a diuretic that reduces blood pressure and edema. It contains spironolactone and may interact with alcohol, potassium supplements, and diabetes medicines. Product Description Aldactone 50 Tablet is a diuretic, commonly referred to as a water pill. It is primarily prescribed for the treatment of heart failure and high blood pressure, and it helps alleviate swelling (edema) caused by various conditions. Additionally, this medication is effective in treating low potassium levels in the body (hypokalemia). To maximize its benefits, Aldactone 50 Tablet should be taken with food at the same time each day. Taking it in the morning can help reduce the ... Aldactone 50 mg Tablet is a medication that belongs to the class of drugs known as diuretics, specifically a type called potassium-sparing diuretics. It is primarily used to treat conditions such as high blood pressure, edema (fluid retention), and certain hormonal imbalances.