Synonyms: Progressive isolated segmental anhidrosis
Harlequin syndrome (HSD) is an autonomic disorder occurring at any age and characterized by unilateral flushing and sweating involving the face and sometimes arm and chest in condition of thermal exercise or emotional stress without sympathetic ocular manifestations. However tonic pupils parasympathetic oculomotor lesion and pre- or postganglionic sudomotor sympathetic deficit can rarely occur.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version October 2023.
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Curing single-gene disorders
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