International Brand Name:
Lopressor, Toprol-XL, Seleken, Minax, Metrol, Betaloc, Neobloc, Corvitol.
In treatment of:
Treatment of cardiac arrhthmias
1.Heart failure; 2.Nightmares;3.Gastrointestinal problems;4.Nausea;5.Tiredness;6.Sinus bradycardia;7.Depression;8.Rash;9.Hypotension;10.Dizziness;11.Fatigue;12.Vomiting;13.Diarrhoea;14.Headache;15.Bronchospasm
1.Hypersensitivity to the drug; 2.Second or third degree heart block;3.Congestive heart failure;4.Cardiogenic shock;5.Bradycardia;6.Bronchial asthma;7.Diabetes mellitus
1.Congestive heart failure;2.Hepatic impairment;3.The drug should be gradually withdraw with caution;4.Respiratory disorders
Thioamines: Increased efficacy of metoprolol.Thyroid hormones: Decreased efficacy of metoprolol.Benzodiazepines: Increased efficacy of benzodiazepines.Clonidine: Abrupt withdrawal of clonidine may lead to hypertensive crisis.Ergot alkaloids: Peripheral ischaemia, possible peripheral gangrene.Lidocaine: Increased lidocaine level may occur leading to toxicity.Prazosin: Increased postural hypotension produced by parzosin.Sulphonylureas: Hypoglycaemic effects may be attenuated.
Oral -Adult: 50 to 450mg/dayHypertension: Starts with 50mg to 100mg/day once daily or in divided doses and gradually increases up to 450mg/day based on patient`s response;Arrhythmias:Oral: 100mg to 150mg/day in 2 to 3 divided doses;I.V.: Dose range: 10 to 15mg. Starts with 5mg infused within 5minutes. Then repeat the therapy with the same dose at every 5minutes interval based on patient`s response;Maximum dose: 20mg-Angina: 50mg twice daily, gradually increases based on patient`s response at one week intervals;Maximum dose: 0.4gm/day;Migraine: 0.1 to 0.2gm/day in divided doses in 12th hourly to 6th hourly.Prophylaxis of myocardial infarction: 0.1 to 0.2gm/day in divided dosesMyocardial infarction: 15mg in 3divided doses at 2minutes interval as I.V.bolus administration. Then 200mg orally in four divided doses for 2days.