Cluster Headache
MESHD003027
A primary headache disorder that is characterized by severe, strictly unilateral PAIN which is orbital, supraorbital, temporal or in any combination of these sites, lasting 15-180 min. occurring 1 to 8 times a day. The attacks are associated with one or more of the following, all of which are ipsilateral: conjunctival injection, lacrimation, nasal congestion, rhinorrhea, facial SWEATING, eyelid EDEMA, and miosis. (International Classification of Headache Disorders, 2nd ed. Cephalalgia 2004: suppl 1)
Synonyms
- Cluster Headaches
- Headaches, Cluster
- Horton's Syndrome
- Hortons Syndrome
- Syndrome, Horton's
- Neuralgic Migraine
- Migraine, Neuralgic
- Migraines, Neuralgic
- Neuralgic Migraines
- Chronic Cluster Headache
- Chronic Cluster Headaches
- Cluster Headache, Chronic
- Cluster Headaches, Chronic
- Headache, Chronic Cluster
- Headaches, Chronic Cluster
- Ciliary Neuralgia
- Ciliary Neuralgias
- Neuralgia, Ciliary
- Neuralgias, Ciliary
- Cluster Headache Syndrome
- Cluster Headache Syndromes
- Headache Syndrome, Cluster
- Headache Syndromes, Cluster
- Syndrome, Cluster Headache
- Syndromes, Cluster Headache
- Headache, Cluster
- Horton Syndrome
- Syndrome, Horton
- Histamine Cephalgia
- Cephalgia, Histamine
- Cephalgias, Histamine
- Histamine Cephalgias
- Atypical Cluster Headache
- Atypical Cluster Headaches
- Cluster Headache, Atypical
- Cluster Headaches, Atypical
- Headache, Atypical Cluster
- Headaches, Atypical Cluster
- Episodic Cluster Headache
- Cluster Headache, Episodic
- Cluster Headaches, Episodic
- Episodic Cluster Headaches
- Headache, Episodic Cluster
- Headaches, Episodic Cluster
Source last updated 2026-05-24T15:27:57.172Z