harlequin syndrome

MeSH: C535634ORPHA: 199282

Overview

condition characterized by asymmetric sweating and flushing on the upper thoracic region of the chest, neck and face

Available Treatments (0)

No treatments linked yet

Clinical trials or compassionate use may be available — consult a specialist.

Clinical Presentation

Signs and symptoms associated with harlequin syndrome, sourced from HPO and Orphanet clinical annotations.

AnhidrosisPallorHorner syndromeFlushingColdnessMiosisUnilateral ptosisEpiphoraCluster headacheRhinorrhea

Classification & Codes

MeSH Code

C535634

Orphanet Code

ORPHA:199282
harlequin syndrome
MeSHC535634
OrphanetORPHA:199282
Treatments0 drug(s)
Symptoms on record10 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO
harlequin syndrome | OrphanDrug