Cardiology | Antiarrhythmic Drug Guide | Class III | Sotalol
||Adults: 80 mg B.I.D. to start, adjusting upwards every 2-3 days to 160 mg B.I.D. Maximum 640 mg daily in life-threatening arrhythmias. Children: 2-8 mg/kg/day divided B.I.D.
||Mean elimination half-life 12 hours. Excreted in urine
||Class II/III actions, so similar to other beta-blockers. Dose, QTc interval and incidence of Torsades are related: QTc should be followed. In particular, maintain normal potassium and magnesium levels, as Torsades is much more common with hypokalemia and/or hypomagnesemia.
||No effect on digoxin. Do not use with class !a agents,as QTc will be further prolonged. As with other beta blockers, will further decrease cardiac function is used with calcium channel blockers
||Betapace scored tablets 80, 160, 240 mg
|FDA approval in children
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