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
All of the following drugs may cause Hirsuitism, EXCEPT: 
Select and explain. 
A. Danazol, B. Phenytoin, C. Norethisterone, D. Flutamide
D: Flutamide
Answer: D: Flutamide 
Explanation: Flutamide is a nonsteroidal drug with antiandrogen propey. It blocks the effect of androgen on accessory sex organs as well as pituitary. Along with oral contraceptives it is used in the treatment of hirsuitism. Ref: Essentials of Medical Pharmacology By KD Tripathi, 5th Edition, Page271, 272.