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cluster headache

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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.
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Origin of cluster headache

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

cluster headache in Medicine

cluster headache

(klŭstər)
n.
  1. A recurring headache marked by severe pain in the eye or temple on one side of the head, usually occurring in males.erythroprosopalgia histaminic headache
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cluster headache in Science

cluster headache

[klŭstər]
  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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.