Explore the dosage and uses of Amiodarone, a drug for heart rhythms, tachycardia that also causes side effects like trembling, constipation etc. Also know the drug interactions. Amiodarone is an antiarrhythmic Class III agent belonging to a multi-channel blocker. Amiodarone is used in the treatment of life-threatening ventricular arrhythmias. It is also used to treat supraventricular tachyarrhythmias such as atrial fibrillation. Amiodarone is Variably and slowly absorbed ... Amiodarone is used to treat serious ventricular arrhythmias. View its uses for heart rhythm problems, dosage, side effects, and safety tips. Amiodarone is a prescription drug used to prevent and treat certain types of serious arrhythmias. Learn about its dosage forms, side effects, warnings, interactions, and how to store it.