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': 'Drug causing icthyosis and hyperpigmentation, when used in leprosy is - \nSelect and explain. \nA. Rifampicin, B. Dapsone, C. Clofazimine, D. Ethionamide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Clofazimine o Adverse effects of clofazimine 1. Skin ---> Reddish-black discolouration of skin, dryness of skin and itching, Discolouration of hair and body secretions, acneform eruptions and phototoxicity, conjuctival pigmentation. 2. GIT --> Enteritis with loose stools, nausea, abdominal pain, anorexia and weight loss.", 'role': 'assistant'}]