Unilateral continuous or near-continuous pain, with or without superimposed brief paroxysms, in the distribution of nervus intermedius and caused by a disorder other than herpes zoster infection. There may be other symptoms and/or clinical signs of the causative disorder.
- Unilateral continuous or near-continuous pain1 in the distribution of nervus intermedius2, fulfilling criterion C
- A disorder affecting nervus intermedius, other than herpes zoster infection but known to be able to cause painful nervus intermedius neuropathy, has been diagnosed3
- 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.
- In the auditory canal, auricle and/or region of the mastoid process.
- 13.3.2 Painful nervus intermedius neuropathy has been rarely described in patients with facial tumours or injury to the geniculate ganglion.