OnabotulinumtoxinA (Botox, Allergan Inc) continues to relieve migraine headache when given over the long term, according to a retrospective analysis of patients with chronic migraine treated for 9 treatment cycles, 12 weeks apart.
“Doctors can now tell their patients that Botox is a safe and effective treatment for chronic migraine, with data now reported over 9 treatment cycles, almost double the duration of the previous data set from earlier studies,” Andrew Blumenfeld, MD, from the Headache Center of Southern California, Encinitas, California, told Medscape Medical News.
Read more at: http://www.medscape.com/viewarticle/825002
