Cluster Headache — RACP Adult Medicine MCQ

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EasyNeurologyCluster HeadacheRACP Adult Medicine

A 50-year-old man: periorbital pain 45–90 min, 3–4 times daily for 2 weeks, with lacrimation, conjunctival injection, nasal congestion. Paces restlessly. Diagnosis?

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Correct answer: D — Cluster headache

Cluster headache: unilateral periorbital pain 15–180 min, 1–8× daily + autonomic features + agitation. Acute: O₂ 12–15 L/min + SC sumatriptan. Prophylaxis: verapamil.

Reference: eTG – 2025 – Neurology; EHF – 2023