This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Ethacrynic acid is not used due to ? \nSelect and explain. \nA. Renal toxicity, B. Ototoxicity, C. GI toxicity, D. Pulmonary toxicity', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Ototoxicity Ethacrynic acid is most ototoxic loop diuretic.", 'role': 'assistant'}]