What is the prevalence of chronic paroxysmal hemicrania (CPH) in the US?

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

CPH is a rare syndrome, but the number of diagnosed cases is increasing. The prevalence of CPH is not known, but the relative frequency compared with CH is reported to be approximately 1-3%.


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