The cause trigeminal neuralgia is probably a blood vessel pressing on the trigeminal nerve. Tumors and
multiple sclerosis can also cause it, but
in some cases the cause is unknown. The pain is sudden, severe, electric shock-like, stabbing that is typically felt on one side of the jaw or cheek.The pain can be triggered by vibration or, washing the face, brushing teeth, eating, drinking, talking, or being exposed to the wind.It may also occur at night..