The 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.
Review Date: 09/28/2005
Reviewed By: A.D.A.M. Medical Illustration Team
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
