Episodic SUNA


Attacks of SUNA 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 3.3.2 Short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms 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.