Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Trigeminal Neuralgia ?
    ### Response:
    Trigeminal neuralgia (TN), also called tic douloureux, is a chronic pain condition that causes extreme, sporadic, sudden burning or shock-like face pain. The painseldomlasts more than a few seconds or a minute or twoper episode. The intensity of pain can be physically and mentally incapacitating.
    