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Lopressor

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Lopressor

Lopressor

INDICATIONS

Hypertension

Lopressor (metoprolol tartrate) tablets are indicated for the treatment of hypertension. They may be used alone or in combination with other antihypertensive agents.

Angina Pectoris

Lopressor (metoprolol tartrate) is indicated in the long-term treatment of angina pectoris.

Myocardial Infarction

Lopressor (metoprolol tartrate) ampuls and tablets are indicated in the treatment of hemodynamically stable patients with definite or suspected acute myocardial infarction to reduce cardiovascular mortality. Treatment with intravenous Lopressor (metoprolol tartrate) can be initiated as soon as the patient's clinical condition allows (See DOSAGE AND ADMINISTRATION, CONTRAINDICATIONS, and WARNINGS). Alternatively, treatment can begin within 3 to 10 days of the acute event (See DOSAGE AND ADMINISTRATION).

DOSAGE AND ADMINISTRATION

Hypertension

The dosage of Lopressor (metoprolol tartrate) tablets should be individualized. Lopressor (metoprolol tartrate) tablets should be taken with or immediately following meals.

The usual initial dosage of Lopressor (metoprolol tartrate) tablets is 100 mg daily in single or divided doses, whether used alone or added to a diuretic. The dosage may be increased at weekly (or longer) intervals until optimum blood pressure reduction is achieved. In general, the maximum effect of any given dosage level will be apparent after 1 week of therapy. The effective dosage range of Lopressor (metoprolol tartrate) tablets is 100-450 mg per day. Dosages above 450 mg per day have not been studied. While once-daily dosing is effective and can maintain a reduction in blood pressure throughout the day, lower doses (especially 100 mg) may not maintain a full effect at the end of the 24-hour period, and larger or more frequent daily doses may be required. This can be evaluated by measuring blood pressure near the end of the dosing interval to determine whether satisfactory control is being maintained throughout the day. Beta1 selectivity diminishes as the dose of Lopressor (metoprolol tartrate) is increased.

Angina Pectoris

The dosage of Lopressor (metoprolol tartrate) tablets should be individualized. Lopressor (metoprolol tartrate) tablets should be taken with or immediately following meals.

The usual initial dosage of Lopressor (metoprolol tartrate) tablets is 100 mg daily, given in two divided doses. The dosage may be gradually increased at weekly intervals until optimum clinical response has been obtained or there is pronounced slowing of the heart rate. The effective dosage range of Lopressor (metoprolol tartrate) tablets is 100-400 mg per day. Dosages above 400 mg per day have not been studied. If treatment is to be discontinued, the dosage should be reduced gradually over a period of 1-2 weeks (see WARNINGS).

Myocardial Infarction

Early Treatment: During the early phase of definite or suspected acute myocardial infarction, treatment with Lopressor (metoprolol tartrate) can be initiated as soon as possible after the patient's arrival in the hospital. Such treatment should be initiated in a coronary care or similar unit immediately after the patient's hemodynamic condition has stabilized.

Treatment in this early phase should begin with the intravenous administration of three bolus injections of 5 mg of Lopressor (metoprolol tartrate) each; the injections should be given at approximately 2-minute intervals. During the intravenous administration of Lopressor (metoprolol tartrate) , blood pressure, heart rate, and electrocardiogram should be carefully monitored.

In patients who tolerate the full intravenous dose (15 mg), Lopressor (metoprolol tartrate) tablets, 50 mg every 6 hours, should be initiated 15 minutes after the last intravenous dose and continued for 48 hours. Thereafter, patients should receive a maintenance dosage of 100 mg twice daily (see Late Treatment below).

Patients who appear not to tolerate the full intravenous dose should be started on Lopressor (metoprolol tartrate) tablets either 25 mg or 50 mg every 6 hours (depending on the degree of intolerance) 15 minutes after the last intravenous dose or as soon as their clinical condition allows. In patients with severe intolerance, treatment with Lopressor should be discontinued (see WARNINGS).

Late Treatment: Patients with contraindications to treatment during the early phase of suspected or definite myocardial infarction, patients who appear not to tolerate the full early treatment, and patients in whom the physician wishes to delay therapy for any other reason should be started on Lopressor (metoprolol tartrate) tablets, 100 mg twice daily, as soon as their clinical condition allows. Therapy should be continued for at least 3 months. Although the efficacy of Lopressor (metoprolol tartrate) beyond 3 months has not been conclusively established, data from studies with other beta blockers suggest that treatment should be continued for 1-3 years.

Note: Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.

HOW SUPPLIED

Lopressor® Tablets metoprolol tartrate tablets, USP

Tablets 50 mg - capsule-shaped, biconvex, pink, scored (imprinted GEIGY on one side and 51 twice on the scored side)

Bottles of 100...................................NDC 0078-0458-05

Tablets 100 mg - capsule-shaped, biconvex, light blue, scored (imprinted GEIGY on one side and 71 twice on the scored side)

Bottles of 100...................................NDC 0078-0459-05

Store at 25°C (77°F); excursions permitted to 15-30°C (59-86°F) [see USP Controlled Room Temperature]. Protect from moisture.

Dispense in tight, light-resistant container (USP).

Lopressor® Injection metoprolol tartrate injection, USP

Ampuls 5 mL - each containing 5 mg of metoprolol tartrate

Carton of 10 ampuls...................................NDC 0078-0400-01

Store at 25°C (77°F); excursions permitted to 15-30°C (59-86°F) [see USP Controlled Room Temperature]. Protect from light.

To report SUSPECTED ADVERSE REACTIONS, contact Novartis Pharmaceuticals Corporation at 1-888-669-6682 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch

Tablets manufactured by: Novartis Pharmaceuticals Corporation Suffern, New York 10901. Ampuls manufactured by: Novartis Pharma Stein AG Stein, Switzerland. Distributed by: Novartis Pharmaceuticals Corporation East Hanover, New Jersey 07936.

Last reviewed on RxList: 5/9/2011
This monograph has been modified to include the generic and brand name in many instances.

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Hypertension

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