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Table 1. ICHD 3 diagnostic criteria for cluster headache [5]

From: Secondary cluster headache and numb chin syndrome as initial manifestation of high-grade B-lymphoma: a case report

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