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
Most toxic antiepileptic drug is ? 
Select and explain. 
A. Phenytoin, B. Valproate, C. Carbamazepine, D. Lamotrigine
C: Carbamazepine
Answer: C: Carbamazepine 
Explanation: Ans. is'c' i.e., Carbamazepine(Ref: <a href=" in a pubmed indexed journal, regarding toxicity of anticonvulsant drugs shows answer is carbamazepine.</li>40.0 % toxicity.