A cluster headache feels like having an electrified screwdriver jammed into your eyeball. Illustration: Henry Wong

What is a cluster headache? A first-person account of the most painful condition known to man

Cluster headaches often top online ‘most painful’ lists, beating gunshot wounds, childbirth and amputation without anaesthetic. What is it like to have ‘the beast’ inside your head? One sufferer shares his story

Topic |   Hong Kong health care and hospitals

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A cluster headache feels like having an electrified screwdriver jammed into your eyeball. Illustration: Henry Wong
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