Active-ingredient Dossier

Spironolactone

Active-ingredient Dossier for Spironolactone (potassium-sparing diuretic). Australian brands, products, PBS listings, PBAC outcomes — compiled by…

What is

Spironolactone Spironolactone is a potassium-sparing diuretic.

Australian brands containing

Spironolactone — SPIRACTIN — ALDACTONE — SPIRONOLACTONE

Therapeutic areas

Spironolactone is registered in cardiology, with five brands containing the ingredient.

Sponsor landscape

Spironolactone is marketed by three sponsors: Proqualix Pty Ltd (in administration), Alphapharm, and Pfizer.

PBS and regulatory activity

One brand containing spironolactone has PBS-listed items, with the latest PBS schedule date of 1 May 2026.