OverviewThe symptoms of a cluster headache include stabbing severe pain behind or above one eye or in the temple. Tearing of the eye, congestion in the associated nostril, and pupil changes and eyelid drooping may also occur.
Update Date 1/5/2016
Updated by: Joseph V. Campellone, MD, Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.