DESCRIPTION
Tiazac® (diltiazem hydrochloride) is a calcium ion cellular influx inhibitor (slow channel blocker). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5H)-one,3-(acetyloxy)-5[2-(dimethylamino)ethyl]-2,-3-dihydro-2(4-methoxyphenyl)-, mono-hydrochloride, (+)-cis. The chemical structure is:
Diltiazem hydrochloride is a white to off-white crystalline powder with a bitter taste. It is soluble in water, methanol and chloroform and has a molecular weight of 450.98. Tiazac® capsules contain diltiazem hydrochloride in extended release beads at doses of 120, 180, 240, 300, 360 and 420 mg.
Tiazac® also contains: Microcrystalline Cellulose NF, Sucrose Stearate, Eudragit, Povidone USP, Talc USP, Magnesium Stearate NF, Hypromellose USP, Titanium Dioxide USP, Polysorbate NF, Simethicone USP, Gelatin NF, FD&C Blue #1, FD&C Red #40, D&C Red #28, FD&C Green #3, Black Iron Oxide USP, and other solids.
For oral administration.
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