Flipping cluster headaches · Awareness Day · 21 March

Cluster Headache Fact Cards

62 cards on diagnosis, treatment and what patients live with, each backed by a published source. Answer the question in your head, then flip the card to see if you were right. Anything you miss comes back later.

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Evidence grading

VerifiedChecked against the primary source

Partially verifiedSound, but the exact figure was not confirmed in the full text

Community-originPatient-community term, not a medical classification

Facts current as of September 2026. Treatment guidance per EAN 2023.