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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Curr Treat Options Cardiovasc Med. 2013 Jun;15(3):299–312. doi: 10.1007/s11936-013-0234-9
Standard dosage Initial load of 800–1600 mg/day for 1–3 weeks, followed by 200–600 mg/day
Contraindications Significant bradycardia, pregnancy or breastfeeding, baseline pulmonary disease, baseline hepatic impairment, baseline thyroid disease
Main drug interactions Drugs which are metabolized by CYP enzymes including warfarin (amiodarone is a potent inhibitor of CYP enzymes) and drugs which prolong the QT interval
Main side effects Chronic interstitial pneumonitis, hyper- and hypothyroidism, hepatitis, corneal microdeposits, photosensitivity, skin discoloration, GI upset, QT prolongation and ventricular arrhythmias
Special points Primarily a Class III agent (potassium channel blocker) but crosses all four classes.
Considered the most effective AAD.
Has the least cardiac toxicity but the most extra-cardiac toxicity.
Generally safe in heart failure, structural heart disease, and coronary artery disease.
Monitoring recommendations include thyroid function tests every 6 months, liver function tests every 6 months, eye examination yearly, pulmonary function tests/chest x-ray yearly.
Cost/cost-effectiveness Generic (approximate cost $36 per month). Can be initiated on an outpatient basis.