Trigeminal neuralgia without persistent background facial pain.
A. Recurrent attacks of unilateral facial pain fulfilling criteria for 13.1.1 Classical trigeminal neuralgia
B. No persistent facial pain between attacks
C. Not better accounted for by another ICHD-3 diagnosis.
126.96.36.199 Classical trigeminal neuralgia, purely paroxysmal is usually responsive, at least initially, to pharmacotherapy (especially carbamazepine or oxcarbazepine).