A cluster headache involves frequent attacks of severe, short-lasting, one-sided head pain, typically behind or near the eye, that can last from a few minutes to several hours.
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Cluster Headache  Information for adults

Picture of Cluster Headache: A cluster headache involves frequent attacks of severe, short-lasting, one-sided head pain, typically behind or near the eye, that can last from a few minutes to several hours. Divider line
A cluster headache involves frequent attacks of severe, short-lasting, one-sided head pain, typically behind or near the eye, that can last from a few minutes to several hours.
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Overview
Cluster headache is considered a primary headache syndrome, one of a group of headaches with distinctly different features compared to other common headache syndromes (eg, tension headache and migraine). The hallmarks of cluster headaches are their occurrence in clusters with quiet periods between clusters and their severity.

Immediately seek medical attention if you or someone you are caring for experiences any of the following:
  • Stiff neck and a high fever associated with headache
  • Sudden onset of a severe headache
  • Loss of motor function, the ability to think clearly, or convulsions associated with headache
  • Head injury
  • Increased intensity and/or frequency of headaches
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Last Modified: 22 Dec 2008
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