Saturday, February 02, 2008

Health Canada investigates Botox

From CBC News:
Health Canada is reviewing safety information on the wrinkle treatment Botox, just days after a call from a U.S. lobby group to increase the warnings on the drug.

Last week, Dr. Sidney Wolfe of Public Citizen Health Research Group said severe reactions including deaths have been linked to Botox.

Botox uses botulinum toxin, which blocks nerve impulses to muscles, causing them to relax. But in a few cases, the toxin has spread to other parts of the body, resulting in problems including paralysis of respiratory muscles and difficulty swallowing, potentially leading to food or liquids entering the lungs and causing aspiration pneumonia, Wolfe said.

Botox is traditionally used as a cosmetic treatment to ease facial wrinkles, but is also used for treating spasticity and tense muscles. ...more

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