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- Title
Hemifacial spasm responsive to single low-dose abobotulinumtoxin A in a patient with relapsing-remitting multiple sclerosis: A case report.
- Authors
Torres, Julie; de Leon, Meliza; Rosales, Raymond
- Abstract
Hemifacial spasm (HFS) is a movement disorder characterized by involuntary twitching of the facial muscles of one side of the face. Here, we report the case of a 31-year-old woman with relapsingremitting multiple sclerosis who presented with left-sided HFS while receiving interferon beta. Despite immunosuppressive medications and clonazepam, only a partial response was documented. Near complete resolution of HFS was achieved 6 months after a single low dose of abobotulinumtoxin A was injected into the left periocular muscles; no recurrence was observed after 4 years. Botulinum toxin injection for focal dystonia, such as HFS, may lead to long-term symptomatic benefit in patients with multiple sclerosis who have already received optimum medical treatment.
- Publication
Annals of Movement Disorders, 2022, Vol 5, Issue 2, p118
- ISSN
2590-3446
- Publication type
Article
- DOI
10.4103/AOMD.AOMD_48_21