Clinical features of a cluster migraine:
(1) The headache typically occurs in an adult from 30 to 50 years of age.
(2) Most patients do not have a previous history of headache.
(3) Most patients are male.
(4) The headache is unilateral, typically in the oculotemporal region.
(5) The headache may be described as burning, excruciating, sharp and/or deep.
(6) A headache starts and stops abruptly, lasting less than 2 hours.
(7) Multiple headache episodes may occur within a 24 hour period.
(8) The headache may occur at night.
(9) A patient with a cluster migraines is restless and paces (rather than lying down in a dark, quiet room).
(10) The headache may be accompanied by ipsilateral autonomic phenomena such as lacrimation, conjunctival injection, sweating or rhinorrhea.
