Severe unilateral orbital, supraorbital, or temporal pain lasting 15 to 180 minutes if untreated
Headache is accompanied by at least one of the following ipsilateral autonomic symptoms: conjunctival injection or lacrimation, nasal congestion or rhinorrhea, eyelid edema,
forehead and facial sweating, miosis or ptosis, restlessness
or agitation
Ep occur from one every other day to eight per day