Unilateral continuous or near-continuous pain, with or without superimposed brief paroxysms, in the distribution of the glossopharyngeal nerve and caused by another identified disorder.
- Unilateral continuous or near-continuous pain1 in the distribution of the glossopharyngeal nerve and fulfilling criterion C
- A disorder known to be able to cause painful glossopharyngeal neuropathy has been diagnosed2
- Evidence of causation demonstrated by both of the following:
- pain is ipsilateral to the glossopharyngeal nerve affected by the disorder
- pain has developed after onset of the disorder, or led to its discovery
- Not better accounted for by another ICHD-3 diagnosis.
- Brief paroxysms may be superimposed, but are not the predominant pain type.
- Tumours at the cerebellopontine angle and iatrogenic injury during procedures have been reported to cause painful glossopharyngeal neuropathy.