4.2.1 Probable primary exercise headache

Diagnostic criteria:
  1. Either of the following:
    1. a single headache episode fulfilling criteria B and C
    2. at least two headache episodes fulfilling criterion B but not criterion C
  2. Brought on by and occurring only during or after strenuous physical exercise
  3. Lasting <48 hours
  4. Not fulfilling ICHD-3 criteria for any other headache disorder
  5. Not better accounted for by another ICHD-3 diagnosis.