Usual Adult Dose for Edema:
25 to 200 mg orally per day in single or divided doses
Usual Adult Dose for Hypertension:
Initial dose: 50 to 100 mg orally per day in single or divided doses
Usual Adult Dose for Congestive Heart Failure:
Initial dose: 25 mg orally once a day assuming serum potassium is less than or equal to 5 mEq/L and serum creatinine is less than or equal to 2.5 mg/dL
Usual Adult Dose for Primary Hyperaldosteronism:
Diagnostic dose:
Usual Adult Dose for Hypokalemia:
25 to 100 mg orally per day
 Detailed Spironolactone dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
