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Dilacor XR (Diltiazem Hydrochloride) - Indications and Dosage

 
 



INDICATIONS AND USAGE

Dilacor XR capsules are indicated for the treatment of hypertension. Diltiazem hydrochloride may be used alone or in combination with other antihypertensive medications, such as diuretics.

Dilacor XR capsules are indicated for the management of chronic stable angina.

DOSAGE AND ADMINISTRATION

Hypertensive or anginal patients who are treated with other formulations of diltiazem can safely be switched to Dilacor XR capsules at the nearest equivalent total daily dose. Subsequent titration to higher or lower doses may, however, be necessary and should be initiated as clinically indicated.

Studies have shown a slight increase in the rate of absorption of Dilacor XR, when ingested with a high fat breakfast; therefore, administration in the morning on an empty stomach is recommended.

Patients should be cautioned that the Dilacor XR capsules should not be opened, chewed or crushed and should be swallowed whole.

Dosage

Hypertension

Dosages must be adjusted to each patient’s needs, starting with 180 mg or 240 mg once daily. Based on the antihypertensive effect, the dose may be adjusted as needed. Individual patients, particularly ≥ 60 years of age, may respond to a lower dose of 120 mg. The usual dosage range studied in clinical trials was 180 mg to 480 mg once daily.

Current clinical experience with the 540 mg dose is limited, the dose may be increased to 540 mg with little or no increased risk of adverse reactions. Doses should not exceed 540 mg once daily.

While a dose of Dilacor XR given once daily may produce an antihypertensive effect similar to the same total daily dose given in divided doses, individual dose adjustment may be needed.

Angina

Dosages for the treatment of angina should be adjusted to each patient’s needs, starting with a dose of 120 mg once daily, which may be titrated to doses of up to 480 mg once daily. When necessary, titration may be carried out over a 7 to 14 day period.

Concomitant Use with Other Cardiovascular Agents

Sublingual Nitroglycerin

Sublingual nitroglycerin may be taken as required to abort acute anginal attacks during diltiazem therapy.

Prophylactic Nitrate Therapy

Diltiazem hydrochloride may be safely coadministered with short- and long-acting nitrates.

Beta-Blockers

(See WARNINGS and PRECAUTIONS.)

Antihypertensives

Diltiazem has an additive antihypertensive effect when used with other antihypertensive agents. Therefore, the dosage of diltiazem hydrochloride or the concomitant antihypertensives may need to be adjusted when adding one to the other.

HOW SUPPLIED

Dilacor XR® (diltiazem HCl, USP) Capsules are available in 240 mg capsules.

The 240 mg capsule is a light blue opaque cap/pink opaque body, hard-shell gelatin capsule filled with four white to off-white, round tablets with no markings. The capsule is radially printed with

over Dilacor XR over 240 mg in black ink on the cap and six axial parallel lines in black ink on the body twice. They are available as follows:

NDC 52544-484-01
bottles of 100 capsules

Store at 20° to 25°C (68° to 77°F). [See USP Controlled Room Temperature.]

Dispense in tight, light-resistant container as defined in the USP using a child-resistant closure.

Address medical inquiries to:
WATSON
Medical Communications
Parsippany, NJ 07054
1-800-272-5525

Distributed by:
Watson Pharma, Inc.

Parsippany, NJ 07054 U.S.A.

Manufactured by:
Mylan®
Mylan Pharmaceuticals Inc.
Morgantown, WV 26505 U.S.A.

REVISED JULY 2011
WADILAXR:R8

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