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FDA OKs Botox As Temporary Treatment for Crow's Feet

Already approved for cosmetic 'frown lines'
THURSDAY, Sept. 12 (HealthDay News) -- The U.S. Food and Drug Administration approval for Botox Cosmetic (onabotulinumtoxinA) has been expanded to include moderate-to-severe lateral canthal lines, or "crow's feet."
The drug was approved in 2002 for the temporary improvement of so-called "frown lines" between the eyebrows, the agency said in news release. The drug, made from the bacterium that causes botulism, keeps affected muscles from tightening, reducing the appearance of wrinkle lines.
The injected drug may now be given at the same time to reduce both crow's feet and frown lines, the FDA said.
The drug's safety and effectiveness in treating crow's feet were established in clinical studies involving 833 adults, who were either given Botox Cosmetic or a non-medicinal placebo. Those given Botox Cosmetic showed a greater improvement in crow's feet lines, the agency said.
The most common side effect of the drug when used for this purpose was swelling of the eyelids, the FDA said.
The non-cosmetic version of Botox has been approved to treat conditions including chronic migraine, severe underarm sweating, eyelid spasm, and a certain misalignment of the eyes. The drug, in both its cosmetic and non-cosmetic forms, contains a boxed label warning of the possibility of botulism-like symptoms. These include swallowing and breathing difficulty, which could be life-threatening, the FDA said.
However, the agency said there has been no confirmed case of "toxin spread" as long as either one of these forms of Botox were used at the recommended dosages for FDA-approved reasons.
Botox Cosmetic is manufactured by Allergan, based in Irvine, Calif.
More Information (http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm367662.htm )
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