This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
which anti epileptic on long term use causes PSEUDOLYMPHOMA ? 
Select and explain. 
A. phenytoin, B. phenobarbitones, C. valproate, D. carbamizapine
A: phenytoin
Answer: A: phenytoin 
Explanation: anti epileptic drugs causing pseudolymphoma phenytoin (m/c) > phenobarbitone primidone ref : kd tripathi 8th ed