| CASE REPORT |
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| Year : 2022 | Volume
: 5
| Issue : 2 | Page : 118-120 |
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Hemifacial spasm responsive to single low-dose abobotulinumtoxin A in a patient with relapsing-remitting multiple sclerosis: A case report
Julie Ann Kristy L Torres1, Meliza Angelica J de Leon1, Raymond L Rosales2
1 The Neuroscience Institute, Department of Neuroscience and Behavioral Medicine, University of Santo Tomas Hospital, Manila, Philippines
2 The Neuroscience Institute, Department of Neuroscience and Behavioral Medicine, University of Santo Tomas Hospital; The Research Center for Health Sciences, Faculty of Medicine and Surgery, University of Santo Tomas, Manila, Philippines
Correspondence Address:
Dr. Julie Ann Kristy L Torres
Department of Neuroscience and Behavioral Medicine, University of Santo Tomas Hospital, Manila - 1015, Metro Manila
Philippines
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/AOMD.AOMD_48_21
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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. |
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