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Hemicrania continua is a recognised form of primary chronic daily headache manifested by daily one-sided head pain of mild to moderate intensity, with intermittent pain exacerbation periods marked by migrainous and cranial autonomic symptoms (conjunctival injection, lacrimation, nasal congestion, rhinorrhoea, eyelid oedema, ptosis and/or miosis).1 Hemicrania continua is one of the indomethacin-responsive headaches, thus, once a patient is given the correct dose of indomethacin they will become pain-free and remain so as long as they are on this particular non-steroidal anti-inflammatory agent (NSAID). Basically, all other treatments, including other NSAIDs, will provide minimal or no relief. Hemicrania continua is often missed as a diagnosis. The probable leading cause for …
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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