Just a few days after new migraine treatment guidelines were released at the American Academy of Neurology's annual convention, new research published in this week's edition of JAMA, finds Botox may not work as well on migraines as originally thought.

The AAN's recommendations found that numerous drugs, such as the seizure drugs divalproex sodium, sodium valproate and topiramate, along with the beta-blockers metoprolol, propranolol and timolol, are effective for migraine prevention.

The guidelines also noted herbal drugs such as petasites relieved migraine pain and nonsterodial anti-inflammatory drugs, such as ibuprofen and naproxen sodium should be offered to people with migraines to reduce the frequency and severity of attacks.

Botulinum toxin A, otherwise known as Botox, was not mentioned.
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