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PERSANTINE tablets are indicated as an adjunct to coumarin anticoagulants in the prevention of postoperative thromboembolic complications of cardiac valve replacement.
PERSANTINE® (dipyridamole USP) is a platelet inhibitor chemically described as 2,2′,2″,2″‘-[(4,8- Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]-tetraethanol. It has the following structural formula:

Dipyridamole is an odorless yellow crystalline powder, having a bitter taste. It is soluble in dilute acids, methanol and chloroform, and practically insoluble in water.
PERSANTINE tablets for oral administration contain:
Active IngredientTABLETS 25 mg, 50 mg, and 75 mg: dipyridamole USP 25 mg , 50 mg and 75 mg, respectively.
Inactive IngredientsTABLETS 25 mg, 50 mg, and 75 mg: acacia, carnauba wax, corn starch, edible white ink, lactose monohydrate, magnesium stearate, D&C yellow #10 aluminum lake, D&C red #30, helendon aluminum pink lake, sodium benzoate, methylparaben, propylparaben, polyethylene glycol, povidone, sucrose, talc, titanium dioxide, and white wax.