6.4 Headache attributed to arteritis


Headache caused by and symptomatic of an inflammation of cervical, cranial and/or brain arteries. Headache may be the sole symptom of arteritis.

Diagnostic criteria:
  1. Any new headache fulfilling criterion C
  2. Arteritis has been diagnosed
  3. Evidence of causation demonstrated by either or both of the following:
    1. headache has developed in close temporal relation to other symptoms and/or clinical signs of onset of arteritis, or has led to the diagnosis of arteritis
    2. either or both of the following:
      • – headache has significantly worsened in parallel with worsening of arteritis
      • – headache has significantly improved in parallel with improvement of arteritis>
  4. Not better accounted for by another ICHD-3 diagnosis.