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Table 20 Diagnostic criteria in trigeminal neuralgia [2]

From: Reference programme: diagnosis and treatment of headache disorders and facial pain. Danish Headache Society, 3rd edition, 2020

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, C and D
B. Pain has all of the following characteristics:
 1. lasting from a fraction of a second to 2 min
 2. servere 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