Lopressor

— THERAPEUTIC CATEGORIES —
  • Angina
  • CHF and arrhythmias
  • Hypertension

Lopressor Generic Name & Formulations

General Description

Metoprolol tartrate 50mg, 100mg; scored tabs.

Pharmacological Class

Beta-blocker.

See Also

    How Supplied

    Tabs—100

    Lopressor Indications

    Indications

    Long-term management of angina.

    Lopressor Dosage and Administration

    Adult

    Take with meals. Initially 100mg daily in 2 divided doses. May be increased weekly, if needed. Usual range: 100–400mg/day.

    Children

    Not recommended.

    Lopressor Contraindications

    Contraindications

    Sinus bradycardia. 2nd- or 3rd-degree AV block. Overt heart failure. Cardiogenic shock. Sick-sinus syndrome. Severe peripheral arterial circulatory disorders.

    Lopressor Boxed Warnings

    Boxed Warning

    Avoid abrupt discontinuation in ischemic heart disease.

    Lopressor Warnings/Precautions

    Warnings/Precautions

    CHF. Ischemic heart disease. Monitor heart rate and rhythm; reduce or stop treatment if severe bradycardia develops. Bronchospastic disease. Hepatic dysfunction. Diabetes. Pheochromocytoma. Hyperthyroidism. Surgery. Avoid abrupt cessation. Pregnancy (Cat.C). Nursing mothers.

    Lopressor Pharmacokinetics

    See Literature

    Lopressor Interactions

    Interactions

    Bradycardia with catecholamine-depleting drugs. May be potentiated by potent CYP2D6 inhibitors (eg, fluoxetine, paroxetine, bupropion, thioridazine, quinidine, propafenone, ritonavir, diphenhydramine, hydroxychloroquine, terbinafine, cimetidine), hydralazine, inhalation anesthetics. Increased risk of bradycardia with concomitant digitalis. May block epinephrine. Increased rebound hypertension with clonidine withdrawal. May enhance vasoconstrictive action of ergots. Withhold before dipyridamole testing.

    Lopressor Adverse Reactions

    Adverse Reactions

    Fatigue, dizziness, depression, diarrhea, rash, dyspnea, bradycardia, cold extremities, palpitations, CHF, peripheral edema, hypotension, bronchospasm, heart block.

    Lopressor Clinical Trials

    See Literature

    Lopressor Note

    Not Applicable

    Lopressor Patient Counseling

    See Literature

    Lopressor Generic Name & Formulations

    General Description

    Metoprolol tartrate 50mg, 100mg; scored tabs.

    Pharmacological Class

    Beta-blocker.

    How Supplied

    Tabs—100; Ampuls (5mL)—10

    Lopressor Indications

    Indications

    In stabilized patients after MI, to reduce mortality.

    Lopressor Dosage and Administration

    Adult

    See literature. Early treatment: initially administer three 5mg IV bolus inj given at approximately 2-minute intervals; monitor BP, HR, ECG. If full IV dose (15mg) tolerable, give 50mg (tab) every 6 hours starting 15 mins after the last IV dose and continue for 48 hours, thereafter, give maintenance dose of 100mg (tab) twice daily; if full IV dose not tolerable, give 25–50mg (tab) every 6 hours starting 15 mins after the last IV dose or as soon as clinical condition allows; if severe intolerance: discontinue treatment. Late treatment: if early phase treatment is contraindicated, intolerable or delayed therapy needed, start with 100mg (tab) twice daily for at least three months.

    Children

    Not recommended.

    Lopressor Contraindications

    Contraindications

    Significant 1st degree heart block. 2nd- or 3rd-degree AV block. Systolic pressure<100mmHg or heart rate <45 beats/min. Moderate-to-severe cardiac failure.

    Lopressor Boxed Warnings

    Boxed Warning

    Avoid abrupt discontinuation in ischemic heart disease.

    Lopressor Warnings/Precautions

    Warnings/Precautions

    CHF. Monitor heart rate and rhythm; reduce or stop treatment if severe bradycardia develops. Bronchospastic disease. Hepatic dysfunction. Diabetes. Pheochromocytoma. Hyperthyroidism. Surgery. Avoid abrupt cessation. Pregnancy (Cat.C). Nursing mothers.

    Lopressor Pharmacokinetics

    See Literature

    Lopressor Interactions

    Interactions

    Bradycardia with catecholamine-depleting drugs. May be potentiated by potent CYP2D6 inhibitors (eg, fluoxetine, paroxetine, bupropion, thioridazine, quinidine, propafenone, ritonavir, diphenhydramine, hydroxychloroquine, terbinafine, cimetidine), hydralazine, inhalation anesthetics. Increased risk of bradycardia with concomitant digitalis. May block epinephrine. Increased rebound hypertension with clonidine withdrawal. May enhance vasoconstrictive action of ergots. Withhold before dipyridamole testing.

    Lopressor Adverse Reactions

    Adverse Reactions

    Fatigue, dizziness, depression, hypotension (discontinue if occurs), diarrhea, rash, dyspnea, bradycardia, cold extremities, palpitations, CHF, peripheral edema, bronchospasm, heart block.

    Lopressor Clinical Trials

    See Literature

    Lopressor Note

    Not Applicable

    Lopressor Patient Counseling

    See Literature

    Lopressor Generic Name & Formulations

    General Description

    Metoprolol tartrate 50mg, 100mg; scored tabs.

    Pharmacological Class

    Cardioselective beta-blocker.

    See Also

      How Supplied

      Tabs—100

      Lopressor Indications

      Indications

      Hypertension.

      Lopressor Dosage and Administration

      Adult

      Take with meals. Initially 100mg daily in 1–2 divided doses. May be increased weekly, if needed. Usual range: 100–450mg/day.

      Children

      Not recommended.

      Lopressor Contraindications

      Contraindications

      Sinus bradycardia. 2nd- or 3rd-degree AV block. Overt heart failure. Cardiogenic shock. Sick-sinus syndrome. Severe peripheral arterial circulatory disorders.

      Lopressor Boxed Warnings

      Boxed Warning

      Avoid abrupt discontinuation in ischemic heart disease.

      Lopressor Warnings/Precautions

      Warnings/Precautions

      CHF. Ischemic heart disease. Monitor heart rate and rhythm; reduce or stop treatment if severe bradycardia develops. Bronchospastic disease. Hepatic dysfunction. Diabetes. Pheochromocytoma. Hyperthyroidism. Surgery. Avoid abrupt cessation. Pregnancy (Cat.C). Nursing mothers.

      Lopressor Pharmacokinetics

      See Literature

      Lopressor Interactions

      Interactions

      Bradycardia with catecholamine-depleting drugs. May be potentiated by potent CYP2D6 inhibitors (eg, fluoxetine, paroxetine, bupropion, thioridazine, quinidine, propafenone, ritonavir, diphenhydramine, hydroxychloroquine, terbinafine, cimetidine), hydralazine, inhalation anesthetics. Increased risk of bradycardia with concomitant digitalis. May block epinephrine. Increased rebound hypertension with clonidine withdrawal. May enhance vasoconstrictive action of ergots. Withhold before dipyridamole testing.

      Lopressor Adverse Reactions

      Adverse Reactions

      Fatigue, dizziness, depression, diarrhea, rash, dyspnea, bradycardia, cold extremities, palpitations, CHF, peripheral edema, hypotension, bronchospasm, heart block.

      Lopressor Clinical Trials

      See Literature

      Lopressor Note

      Not Applicable

      Lopressor Patient Counseling

      See Literature