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': 'In the Lepra reaction, the drug useful is : \nSelect and explain. \nA. Penicillins, B. Clofazimine, C. Dapsone, D. Rifampicin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anti-inflammatory drugs are used in lepra reaction. Steroids, clofazimine and thalidomide can be used.', 'role': 'assistant'}]