Diltiazemdrug info
24 HR diltiazem hydrochloride 180 MG Extended Release Oral Capsule [Cartia]
What it is used for
Diltiazem hydrochloride extended-release capsules (once-a-day dosage) are indicated for the treatment of hypertension. It may be used alone or in combination with other antihypertensive medications. Diltiazem hydrochloride extended-release capsules (once-a-day dosage) are indicated for the management of chronic stable angina and angina due to coronary artery spasm.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective April 30, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Diltiazem hydrochloride, USP is a calcium ion cellular influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5 H )-one, 3-(acetyloxy)-5-[2-(dimethylamino) ethyl]-2, 3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride,(+)- cis -.
The chemical structure is: Diltiazem hydrochloride, USP is a white to off-white crystalline powder with a bitter taste. It is soluble in water, methanol, and chloroform. It has a molecular weight of 450.98. Diltiazem hydrochloride, USP is formulated as a once-a-day extended-release capsule containing 120 mg diltiazem hydrochloride (equivalent to 110.3 mg diltiazem), 180 mg diltiazem hydrochloride (equivalent to 165.45 mg diltiazem), 240 mg diltiazem hydrochloride (equivalent to 220.6 mg diltiazem), or 300 mg diltiazem hydrochloride (equivalent to 275.75 mg diltiazem). In addition, each capsule contains the following inactive ingredients: acetyltributyl citrate, ammonio methacrylate copolymer, black iron oxide, cornstarch, D&C Red No. 28, D&C Yellow No. 10, D&C Yellow No. 10 Aluminum Lake, ethylcellulose, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40, FD&C Red No. 40 Aluminum Lake, gelatin, magnesium stearate, methacrylic acid copolymer, propylene glycol, polysorbate 80, sucrose, talc, and titanium dioxide. The 180 mg and 240 mg capsules contain yellow iron oxide. In addition, the 240 mg capsule also contains red iron oxide. For oral administration. This drug meets USP Drug Release 9. Diltiazem hydrochloride chemical structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective April 30, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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