Hemicrania continua

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Hemicrania continua is a primary headache that is more common in women , lasts at least 3 months without relief, is unilateral with a variable course of moderate to severe intensity with at least one of the following symptoms :

  • conjunctival injection, lacrimation, or both;
  • nasal congestion, rhinorrhea, or both;
  • ptosis , miosis or both;[1]

and relief with Indomethacin treatment .[2]

PET can show changes in the mesencephalus , which distinguishes hemicrania from migraine and cluster headache . Indomethacin is used in therapy at a dose of 75-150 mg / day and is also used to prevent new episodes. Indomethacin treatment can be lifelong, although the dose may be reduced over time.[1]

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  1. a b BRUST, John C. M. Current diagnosis and treatment, Neurology. 2. edition. Singapore : McGraw-Hill, 2012. ISBN 9780071326957.
  2. -, -. NINDS Hemicrania Continua Information Page [online]. The last revision November 30, 2012, [cit. 2012-12-14]. <https://www.ninds.nih.gov/disorders/hemicrania_continua/hemicrania_continua.htm>.