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
Pigmentation and icthyosis are side effects of ? 
Select and explain. 
A. Clofazamine, B. Rifampicin, C. Dapsone, D. Ethionamide
A: Clofazamine
Answer: A: Clofazamine 
Explanation: Ans. is 'a' i.e., Clofazamine Clofazimine Clofazimine is a leprostatic drug. It acts by interfering the template function of DNA. Adverse effects of clofazimine