Webjul 22, 2024 · spironolactone is available in the following dosage forms that are taken by mouth. 25 mg/5 ml oral. It prevents your body from absorbing too much salt and keeps your potassium levels from getting too. Webthey come in three strengths: 25 milligrams (mg) 50 mg; Dosage for high blood pressure. Spironolactone is used to treat high blood pressure and heart failure. Webenter the imprint code that appears on the pill. Select the the pill color (optional). Select the shape (optional). Alternatively, search by drug name or ndc…