Anti-convulsants frequently used in management of trigeminal neuralgia are
Anticonvulsant drugs are most frequently used and are most effective in treatment of trigeminal neuralgia. Carbamazepine is the most commonly used drug and is an effective therapy for greater than 85% of newly diagnosed cases.
Patients who do not respond to Carbamazepine atone may obtain relief from Baclofen or by combining Carbamazepine with Baclofen.
Other drugs of choice for trigeminal neuralgia are: 

Gabapentin (less reliable than carbarnazepine)
Pregablin (gabapentine analogue)
Oxycarbamazepine (Less risk of blood dyscrasias than Carbamazepine)
Phenytoin
Lamotrigine
Topiramate
Pimozide
Phenytoin
Gabapentin
Baclofen
All of the above