From CBC News:
The toxin in Botox products may spread to distant parts of the body, with potentially fatal consequences, Health Canada said Tuesday in announcing new labelling information for the drugs.
Last February, the U.S. Food and Drug Administration said the toxin had spread, both in products the agency approved and those that were not. Health Canada has been reviewing the safety of Botox and Botox Cosmetic.
No medically confirmed cases of the toxin having spread have been reported in Canada. ...more
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