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Severe dysphagia after botulinum toxin injection for cervical dystonia in multiple system atrophy



A 71-year-old woman was treated by botulinum toxin (BTX) type A injections for cervical dystonia related to a multiple system atrophy (MSA). A few days later and persisting for the next 4 months, she developed a severe dysphagia, requiring nasogastric feeding. This implicates cautious use of BTX in a case of MSA.

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