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': 'Antitubercular drug causing gout is: March 2005 \nSelect and explain. \nA. Streptomycin, B. Ethambutol, C. Rifampicin, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Ethambutol Drugs causing gout/hyperuricemia include Diuretics Low-dose salicylate Cyclosporine Pyrazinamide Ethambutol Levodopa 1 Nicotinic acid Methoxvflurane', 'role': 'assistant'}]