This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'The following drugs have significant drug interactions with digoxin except: \nSelect and explain. \nA. Cholestyramine, B. Thiazide diuretics, C. Quinidine, D. Amlodipine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref:KDT 6/e p499 Cholestyramine inhibits itestinal absorption of digoxin. Thiazides result in hypokalemia and thus make precipitate digitalis toxicity by pharmacodynamic interaction. Quinidine and verampil reduces the exceion of digoxin and does make precipitate toxicity (pharmacokinetic interaction)', 'role': 'assistant'}]