Pharmacology Miscellaneous (Pharmacology) 3cab37ef Which one of the following is an Aldosterone antagonist? A Spironolactone B Amiloride C Triameterine D Acetazolamide High-Yield Explanation (A) Spironolactone > Spironolactone is a steroid chemically related to the mineralocorticoid aldosterone> Spironolactone is an aldosterone antagonist.