Newly published updated guidelines from the American Academy of Neurology on the use of botulinum toxin for treating neurologic disorders support the injections for treating chronic migraine, but not in instances of episodic migraine (Neurology 2016 Apr 18. [Epub ahead of print]).
“The primary update was the conclusions and recommendations concerning the efficacy of onabotulinumtoxinA [Botox, Allergan] in chronic migraine,” said guidelines author David M. Simpson, MD, professor of