How is botulinum toxin A used for migraine headaches?

Donna Hill Howes, RN
Family Practitioner

Botulinum toxin A (Botox) injections are used to prevent migraine headaches. Botulinum toxin A is FDA-approved for people who have 15 or more migraine headaches a month. It may reduce the number of migraines by 2 a month. It is usually reserved for people who have not had success with other migraine treatments. 

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