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Aldactazide

Drug Description
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Aldactazide®

spironolactone and hydrochlorothiazide tablets

Spironolactone, an ingredient of Aldactazide, has been shown to be a tumorigen in chronic toxicity studies in rats (see PRECAUTIONS). Aldactazide should be used only in those conditions described under INDICATIONS AND USAGE.

Unnecessary use of this drug should be avoided.

Fixed-dose combination drugs are not indicated for initial therapy of edema or hypertension. Edema or hypertension requires therapy titrated to the individual patient. If the fixed combination represents the dosage so determined, its use may be more convenient in patient management. The treatment of hypertension and edema is not static but must be reevaluated as conditions in each patient warrant.

DRUG DESCRIPTION


Aldactazide oral tablets contain:

spironolactone
 25 mg
hydrochlorothiazide
 25 mg

or

spironolactone
 50 mg
hydrochlorothiazide
 50 mg


Spironolactone (Aldactone®), an aldosterone antagonist, is 17-hydroxy-7alpha-mercapto-3-oxo-17alpha-pregn-4-ene-21-carboxylic acid gamma -lactone acetate. Its structual formula is:

Spironolactone is practically insoluble in water, soluble in alcohol, and freely soluble in benzene and in chloroform.

Hydrochlorothiazide, a diuretic and antihypertensive, is 6-chloro-3, 4-dihydro-2H-1, 2, 4-benzothiadiazine-7-sulfonamide 1, 1-dioxide. Hydrochlorothiazide is slightly soluble in water and freely soluble in sodium hydroxide solution. Its structual formula is:

Inactive ingredients include calcium sulfate, corn starch, flavor, hydroxypropyl cellulose, hydroxypropyl methylcellulose, iron oxide, magnesium stearate, polyethylene glycol, povidone, and titanium dioxide.

Brand Name: Aldactazide
Generic Name: Spironolactone and Hydrochlorothiazide

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