Diagnostic and classification criteria for trigeminal neuralgia in the 3rd edition of the international classification of headache disorders (ICHD-3)

ICHD-3 diagnostic criteria for trigeminal neuralgia
A. Recurrent paroxysms of unilateral facial pain in the distribution(s) of one or more divisions of the trigeminal nerve, with no radiation beyond, and fulfilling criteria B and C
B. Pain has all of the following characteristics:
1. Lasting from a fraction of a second to 2 minutes
2. Severe intensity
3. Electric shock-like, shooting, stabbing or sharp in quality
C. Precipitated by innocuous stimuli within the affected trigeminal distribution
D. Not better accounted for by another ICHD-3 diagnosis
Korean J Pain 2021;34:66~71 https://doi.org/10.3344/kjp.2021.34.1.66
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