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': 'Not true about clofazamine ? \nSelect and explain. \nA. Used in DLE, B. Causes ichthyosis and hyperpigmentation, C. Interferes DNA synthesis, D. Used in lepra reaction', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Used in DLE o Clofazimine interferes with template function of DNA, is used in lepra reaction and can cause icthyosis and hyperpigmentation.", 'role': 'assistant'}]