Table 1. ICHD 3 diagnostic criteria for cluster headache [5]
Criteria | Description |
|---|---|
A. | At least five attacks fulfilling criteria B–D |
B. | Severe or very severe unilateral orbital, supraorbital, and/or temporal pain lasting 15–180 minutes (when untreated) |
C. | Either or both of the following: (1) at least one of the following symptoms or signs, ipsilateral to the headache: conjunctival injection and/or lacrimation nasal congestion and/or rhinorrhea eyelid edema forehead and facial sweating miosis and/or ptosis (2) a sense of restlessness or agitation |
D. | Occurring with a frequency between one every other day and eight per day |
E. | Not better accounted for by another ICHD-3 diagnosis |