SPL Set ID: 48115c9e-c82f-438d-b178-dce1b73687db

Spironolactone 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: Spironolactone is practically insoluble in water, soluble in alcohol, and freely soluble in benzene and in chloroform. Inactive ingredients include calcium sulfate dihydrate, colloidal silicon dioxide, croscarmellose sodium, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, peppermint flavor, polydextrose, polyethethylene glycol, povidone, pregelatinized starch (corn), sodium lauryl sulfate, titanium dioxide and triacetin. Spironolactone Structural Formula