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Botox

URL of this page: http://www.nlm.nih.gov/medlineplus/botox.html

Also called: Also called: Botulinum toxin type A

Botox is a drug made from a toxin produced by the bacterium Clostridium botulinum. It's the same toxin that causes a life-threatening type of food poisoning called botulism. Doctors use it in small doses to treat health problems, including

Botox injections work by weakening or paralyzing certain muscles or by blocking certain nerves. The effects last about three to four months. Side effects can include pain at the injection site, flu-like symptoms, headache and upset stomach. Injections in the face may also cause temporary drooping eyelids. You should not use Botox if you are pregnant or breast feeding.

Food and Drug Administration

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Date last updated: September 02 2008
Topic last reviewed: August 12 2008