The story
So called because such headaches tend to occur together, i.e. in clusters.
Etymology from Wiktionary, CC BY-SA 4.0.
cluster headache
Today it means: An extremely painful, cyclical and unilateral headache. Full definition →
Today it means: An extremely painful, cyclical and unilateral headache. Full definition →
So called because such headaches tend to occur together, i.e. in clusters.
Etymology from Wiktionary, CC BY-SA 4.0.