How is chronic paroxysmal hemicrania (CPH) differentiated from hemicrania continua (HC)?

Updated: Jun 12, 2019
  • Author: Monica Saini, MD, MBBS; more...
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Answer

Differential diagnosis should include other headaches with major autonomic features (eg, SUNCT syndrome) and persistent headaches with milder autonomic features (eg, hemicrania continua [HC]). [19]

HC is a rare disorder characterized by continuous, unilateral, indomethacin-responsive hemicrania of moderate severity. [20] These headaches last from minutes to several days and sometimes are associated with autonomic features. A noncontinuous form also has been described.


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