Atenolol

Class II

IV DoseNo IV form
Oral dose1 mg/kg/day, up to 2 mg/kg/day given QD.
LevelsNot helpful
KineticsElimination half-life 5-9 hours in adults, 16 hours in neonates. Peak levels 2-3 hours after oral dose.
CautionsSimilar to propranolol. More cardioselective, less problems with asthma and hypoglycemia.
InteractionsNo effect on hepatic lidocaine metabolism.
PreparationsTenormin non-scored tablets: 25, 100 mg. scored tablets, 50 mg.
FDA approval in childrenno