 [ Symptoms ] can my trigeminal neuralgia pain radiate down my arm to the tip of my thumb  i have had trigeminal neuralgia for years taking anticonvulsant meds has helped my pain but i am curious if the lightning bolt pain can radiate down to the tip of my thumb [ Disease ] no the trigeminal nerve does not go down you arm or to your hand the nerve that services this area comes from your neck cervical spine