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cluster headaches

A cluster headache is one of the most painful types of headache. A striking feature of cluster headache is that the attacks occur in cyclical patterns, or clusters — which gives the condition its name.


Symptoms may include:

  • sharp, penetrating pain on same side of head throughout a cluster period
  • restlessness
  • teary eye
  • stuffy nose
  • reduced pupil size
  • drooping eyelid

Treatment may include:


Types include:

  • episodic - cluster headache occurs at least daily for one week to one year, followed by a pain-free remission period lasting at least one month before another cluster period develops
  • chronic - cluster headache occurs daily for more than a year with no remission or with pain-free periods lasting less than one month

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Robert Wood Johnson University Hospital Hamilton Hamilton. Phone: 609-586-7900 Physician Referral: 609-584-5900.

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