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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Harlequin syndrome


Other Names for this Disease

  • Sudden onset of unilateral flushing and sweating
  • Unilateral loss of facial flushing and sweating with contralateral anhidrosis
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Your Questions Answered


3 question(s) from the public on this disease have been answered. Submit a new question.
  • My daughter was diagnosed with Harlequin syndrome as an infant. At first the frequency of her face getting flush would be rare, however now that she is a lot more active it seems to happen more, and she does not have to be doing anything as far as activity goes. Will this continue to the point that her face will never be plain? Is it possible that she feels it? She will lightly hit her face sometimes as is starts to get red. Is there a treatment? How rare is this? Is it genetic or is it a development of nerves as she grew in my womb? Click here for answer

  • Is there any new information about Harlequin syndrome? Click here for answer

  • Can you provide me with information about Harlequin syndrome? Click here for answer

Other Names for this Disease
  • Sudden onset of unilateral flushing and sweating
  • Unilateral loss of facial flushing and sweating with contralateral anhidrosis
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.