Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Trigeminal neuralgia ?
    ### Response:
    Trigeminal neuralgia is a nerve disorder that causes a stabbing or electric-shock-like pain in parts of the face. The pain lasts a few seconds to a few minutes, and usually on only one side of the face. It can also cause muscle spasms in the face the same time as the pain.
    