Cardiology | Antiarrhythmic Drug Guide | Class II | Atenolol


IV Dose No IV form
Oral dose 1 mg/kg/day, up to 2 mg/kg/day given QD.
Levels Not helpful
Kinetics Elimination half-life 5-9 hours in adults, 16 hours in neonates. Peak levels 2-3 hours after oral dose.
Cautions Similar to propranolol. More cardioselective, less problems with asthma and hypoglycemia.
Interactions No effect on hepatic lidocaine metabolism.
Preparations Tenormin non-scored tablets: 25, 100 mg. scored tablets, 50 mg.
FDA approval in children no

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