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
Drug which should not be used in Absence seizures 
Select and explain. 
A. Ethosuximide, B. Valproate, C. Vigabatrin, D. Phenytoin
D: Phenytoin
Answer: D: Phenytoin 
Explanation: Phenytoin & carbamazepine are contraindicated in absence seizures & myoclonic epilepsy.