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
Vitamin–B6  deficiency is seen with the use of all of the following drugs except : 
Select and explain. 
A. Cycloserine, B. Cyclosporine, C. INH, D. d–Penicillamine
B: Cyclosporine
Answer: B: Cyclosporine 
Explanation: None