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Felodipine extended-release tablets are indicated for the treatment of hypertension. Felodipine extended-release tablets may be used alone or concomitantly with other antihypertensive agents.
Felodipine is a calcium antagonist (calcium channel blocker). Felodipine is a dihydropyridine derivative that is chemically described as ± ethyl methyl 4-(2, 3-dichlorophenyl)-1, 4-dihydro-2, 6-dimethyl-3, 5-pyridinedicarboxylate. Its empirical formula is C18H19Cl2NO4 and its structural formula is:
Felodipine is a slightly yellowish, crystalline powder with a molecular weight of 384.26. It is insoluble in water and is freely soluble in dichloromethane and ethanol. Felodipine is a racemic mixture.
Felodipine extended-release tablets provide extended release of felodipine. They are available as tablets containing 2.5 mg, 5 mg, or 10 mg at felodipine for oral administration. In addition to the active ingredient felodipine, the tablets contain the following inactive ingredients: Felodipine extended-release tablets 2.5 mg — hydroxypropyl cellulose, lactose, FD&C Blue 2, sodium stearyl fumarate, titanium dioxide, yellow iron oxide, and other ingredients. Felodipine extended-release tablets 5 mg and 10 mg—cellulose, red and yellow oxide, lactose, polyethylene glycol, sodium stearyl fumarate, titanium dioxide, and other ingredients.