Unilateral facial flushing and anhidrosis: a case of idiopathic Harlequin syndrome with successful botulinum toxin treatment.

Sorrentino P, Licata G, Nicoletti M M, Malaspina M, Argenziano G, Di Brizzi E V, Giorgio C M

Dermatol Reports. 2026 Jul 21. PMID: 42482598. Abstract