Pharyngeal paralysis due to botulinum toxin injection.

Abstract	Botulinum toxin injection is now recognized as an effective treatment for spasmodic torticollis. Complications of this increasingly popular method of treatment include mild and transient dysphagia, with or without dysphonia, lasting up to four weeks. Two cases of paralysis of vocal cord contralateral to the injected sternomastoid have also been reported. A case of severe dysphagia lasting six weeks associated with ipsilateral vocal cord palsy following botulinum toxin injection is presented. The probable mechanism for these complications is discussed.
Authors	C E Koay, T Alun-Jones
Journal	The Journal of laryngology and otology (J Laryngol Otol) Vol. 103 Issue 7 Pg. 698-9 (Jul 1989) ISSN: 0022-2151 [Print] England
PMID	2760528 (Publication Type: Case Reports, Journal Article)
Chemical References	Botulinum Toxins
Topics	Aged Botulinum Toxins (adverse effects) Deglutition Disorders (etiology) Humans Male Paralysis (etiology) Pharyngeal Diseases (etiology) Vocal Cord Paralysis (etiology)

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