Detailed dosage guidelines and administration information for Cordarone (amiodarone hydrochloride). Includes dose adjustments, warnings and precautions. Cordarone package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Cordarone X 200 MG Tablet is an antiarrhythmic medicine that is used to maintain normal heartbeats in patients with serious, life-threatening ventricular arrhythmias (rhythm disorders of the ventricles; the lower chambers of the heart). Learn about Cordarone tablets, their uses, benefits, dosages, and side effects. Understand how this antiarrhythmic medication manages serious arrhythmias.