Aldactone
Aldactone®
spironolactone tablets, USP
Spironolactone has been shown to be a tumorigen in chronic toxicity studies in rats (see PRECAUTIONS). Aldactone should be used only in those conditions described under INDICATIONS AND USAGE. Unnecessary use of this drug should be avoided.
DRUG DESCRIPTION
Aldactone oral tablets contain 25 mg, 50 mg, or 100 mg of the aldosterone antagonist spironolactone, 17-hydroxy-7α-mercapto-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone acetate, which has the following structural formula:
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Spironolactone is practically insoluble in water, soluble in alcohol, and freely soluble in benzene and in chloroform.
Inactive ingredients include calcium sulfate, corn starch, flavor, hypromellose, iron oxide, magnesium stearate, polyethylene glycol, povidone, and titanium dioxide.
Generic Name: Spironolactone
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