Cluster headache
A. At least 5 attacks fulfilling criteria B-D
B. Severe or very severe unilateral orbital, supraorbital and/or temporal pain lasting 15-180 minutes if untreated
C. Headache is accompanied by at least 1 of the following:
- Ipsilateral conjunctival injection and/or lacrimation
- Ipsilateral nasal congestion and/or rhinorrhoea
- Ipsilateral eyelid oedema
- Ipsilateral forehead and facial sweating
- Ipsilateral miosis and/or ptosis
- A sense of restlessness or agitation
D. Attacks have a frequency from 1 every other day to 8/day
E. Not attributed to another disorder
Episodic cluster headache
A. Attacks fulfilling criteria A-E for “Cluster headache”
B. At least two cluster periods lasting 7-365 days and separated by pain-free remission periods of >/=1 month
Chronic cluster headache
A. Attacks fulfilling criteria A-E for “Cluster headache”
B. Attacks recur over >1 year without remission periods or with remission periods lasting <1 month
References:
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International Headache Society. The International Classification of Headache Disorders, 2nd Edition. Cephalalgia 2004; 24 (suppl 1): 1-160 (www.i-h-s.org)
This material was taken from the International Classification of Headache Disorders. It is intended for educational purposes only.
Created: Jun 13, 2005
