This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Arrhythmic, Subject name: Pharmacology
[{'content': 'Antiarrhythmic drug causing hypothyroidism is: (E. REPEAT 2007) \nSelect and explain. \nA. Lidocaine, B. Propanolol, C. Amiodarone, D. Procainamide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: Drug-Induced Diseases: Prevention, Detection and Management, James E. Tisdale, 2nd edition, Page 587Explanation:Amiodarone causes both Hypo and Hyperthyroidism.DRUGS CAUSING HYPOTHYROIDISMEthionamide.Amiodarone.Nitroprusside.Perchlorate.Povidone iodine (Betadine).Sulfonylureas.INF alpha.Lithium.Octreotide.Rifampin.Aldesleukin.Thalildomide.Leuprolide.DRUGS CAUSING HYPERTHYROIDISMAmiodarone.Cyclosporine.INF alpha.INF beta.lodinated compounds.Lenalidomide.Leuprolide.Lithium.', 'role': 'assistant'}]