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: Dental
[{'content': 'One of the following is a side effect of clofazimine used in leprosy therapy – a) Hyperpigmentationb) Erythemac) Discoloration of body secretionsd) Macular rash \nSelect and explain. \nA. a, B. ac, C. ad, D. b', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Adverse effects of clofazimine\n\n1. \xa0Skin →\xa0\xa0 Reddish-black discolouration of skin, dryness of skin and itching, Discolouration of hair and body \xa0secretions, acneform eruptions and phototoxicity, conjuctival pigmentation.\n2.\xa0\xa0 GIT →\xa0\xa0 Enteritis with loose stools, nausea, abdominal pain, anorexia and weight loss.', 'role': 'assistant'}]