Botox Approved for Chronic Migraines10/18/10
MONDAY, Oct. 18 (HealthDay News) -- Botox (onabotulinumtoxinA)
injection has been approved by the U.S. Food and Drug
Administration to prevent chronic migraines among people who get
the painful headaches more than 14 days per month.
Botox, made from a purified form of botulinum toxin, has long
been approved as a cosmetic wrinkle remover. The drug is
administered as multiple injections near the head and neck about
once every three months to treat chronic migraines, the agency said
in a news release.
Botox hasn't been proven to treat migraines that occur 14 or
fewer days per month, and patients should discuss with a physician
the appropriateness of the drug for their headaches, the agency
Common adverse reactions to Botox used for this purpose include
neck pain and headache, the FDA said.
The drug carries a boxed warning that the botulinum toxin could
travel from the injection site and cause dangerous symptoms that
mimic those of botulism food poisoning, including difficulty
swallowing and breathing.
Botox is manufactured by Allergan Inc, based in Irvine,
To learn more about migraines, visit the U.S.
National Library of Medicine.
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