3.2.1 Episodic paroxysmal hemicrania


Attacks of paroxysmal hemicrania occurring in periods lasting from 7 days to one year, separated by pain-free periods lasting at least 3 months.

Diagnostic criteria:
  1. Attacks fulfilling criteria for 3.2 Paroxysmal hemicrania and occurring in bouts
  2. At least two bouts lasting from 7 days to 1 year (when untreated) and separated by pain-free remission periods of ≥3 months.