3.3.2.2 Chronic SUNA

Description:
Attacks of SUNA occurring for more than one year without remission, or with remission periods lasting less than one month.

Diagnostic criteria:
A. Attacks fulfilling criteria for 3.3.2 Short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms, and criterion B below
B. Occurring without a remission period, or with remissions lasting <1 month, for at least 1 year.