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cluster headache

noun

, Pathology.
  1. a type of severe recurrent headache associated with dilated carotid arteries and the release of histamine, characterized by sudden attacks of intense pain behind the nostril and eye on one side and accompanied by runny nose, tearing, and flushed skin.

cluster headache

/ klŭs′tər /

  1. A recurring headache, most common in males, characterized by severe pain in one eye or the adjacent temple, watering of the eye, and runny nose.

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Word History and Origins

Origin of cluster headache1

First recorded in 1950–55

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