Cluster Headache

Cluster Headache is indexed under Neurological & Neurodegenerative, Headache Disorders. Also known as suicide headache.

US prevalence
~1 in 1,000 (~330,000) Source: AHS; Clusterbusters. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
ICD-10-CM codes
G44.0
Typical onset
20-40 years
Course
episodic
Body systems
neurological
Sex differences
M:F ~3:1
Racial and ethnic differences
Limited data

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

Browse all indexed conditions · Source registry · Methodology · Known limitations