Trigeminal Neuralgia Icon / Teal / print@1x Print Trigeminal neuralgia (TN) used to also be called ‘tic douloureux’ or ‘tic convulsif’. In French, tic means “muscle twitch” or “spasm”; douloureux means “painful”. TN is an example of neuropathic pain, arising from the trigeminal nerve (the fifth cranial nerve). New cases of trigeminal neuralgia affect 4 to 5 of every 100,000 people in the United States each year. TN affects women slightly more often than men; however, there is a much higher incidence for males over 80. Peak incidence begins as 50-60 years of age and increases with age. In 60-69 year-olds, it is 17.5/100,000; in >80 year-olds, it is 25.9/100,000. TN is a unilateral facial pain syndrome (on one side); however bilateral cases (on both sides) have been reported in 2%-5% of cases. For […]