103K views · 2.2K reactions | Trigeminal Neuralgia Clinical Manifestations. Trigeminal neuralgia, also called Fothergill disease, tic douloureux, trifacial neuralgia, is a long-term pain disorder that affects the trigeminal nerve, the nerve responsible for sensation in the face and motor functions such as biting and chewing. It is a form of neuropathic pain. | Dr. Najeeb | Facebook