This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epilepsy, Subject name: Pharmacology
Long term use of which of the following drug results in pseudolymphoma ? 
Select and explain. 
A. Valproate, B. lamotrigene, C. Phenytoin, D. Topiramate
C: Phenytoin
Answer: C: Phenytoin 
Explanation: Pseudolymphoma It is a hypersensitive reaction to drug Pseudolymphoma triad consists of Fever, generalized rash and lymphadenopathy Anti epileptic drugs causing pseudolymphoma Phenytoin>Phenobarbitone>Primidone Carbamzepine