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: Pathology
The latest drug of the choice in the management in trigeminal neuralgia is: 
Select and explain. 
A. Valproic acid, B. Carbamazepine, C. Dipnen hydantoin, D. None of the above
B: Carbamazepine
Answer: B: Carbamazepine 
Explanation: None