This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'All the following drugs do not produce hirsutism except \nSelect and explain. \nA. Cycloserin, B. Phenobarbitone, C. Phenytoin, D. Mycophenolate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Phenytoin adverse effects: Hirsutism, Gum hyperplasia, Hepatotoxicity etc Drugs causing hirsutism are ; Androgens,OCPs,phenytoin,minoxidil,diazoxide,cyclosporin. Ref: HL Sharma 3rd ed.Pg 530', 'role': 'assistant'}]