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(diltiazem hydrochloride) Capsule, Extended Release
Dilacor XR® (diltiazem hydrochloride) is a calcium ion influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5H)one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-. Its molecular formula is C22H26N2O4S•HCl and its molecular weight is 450.98. Its structural formula is as follows:
Diltiazem hydrochloride is a white to off-white crystalline powder with a bitter taste. It is soluble in water, methanol, and chloroform. Dilacor XR complies with USP Drug Release Test #2.
Dilacor XR capsules contain multiple units of diltiazem HCl extended-release 60 mg, resulting in 120 mg, 180 mg, or 240 mg dosage strengths allowing for the controlled release of diltiazem HCl over a 24-hour period.
Inactive Ingredients: Dilacor XR capsules also contain mannitol, ethyl cellulose, hypromellose, hydrogenated castor oil, ferric oxides, silicon dioxide, magnesium stearate, gelatin, D&C Yellow No. 10, FD&C Red No. 40, D&C Red No. 28, and titanium dioxide. The 120 mg dosage form contains pregelatinized starch. For oral administration.
What are the possible side effects of diltiazem?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- a red, blistering skin rash;
- swelling in your hands or feet;
- trouble breathing;
- slow heartbeats;
- dizziness, fainting, fast or pounding heartbeat;
- upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
- severe skin reaction -- fever, sore...
What are the precautions when taking diltiazem hydrochloride capsule, extended release (Dilacor XR)?
Before taking diltiazem, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain types of heart rhythm problems (such as sick sinus syndrome/atrioventricular block unless you have a pacemaker).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, kidney disease, heart failure, narrowing of any part of the stomach/intestines.
This drug may make you dizzy. Do not drive, use...
Last reviewed on RxList: 7/8/2011
This monograph has been modified to include the generic and brand name in many instances.
Additional Dilacor XR Information
Dilacor XR - User Reviews
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Report Problems to the Food and Drug Administration
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