The US Food and Drug Administration (FDA) has approved onabotulinumtoxinA (Botox; Allergan Inc) for headache prophylaxis in patients with adult chronic migraine who suffer headaches on 15 or more days per month, each lasting more than 4 hours.
Tags: adult, Botox, Botox Cosmetic, botulinum toxin, Dr. Mathews, FDA, headache symptoms, kyle mathews, migraine headaches, Patients, Russell Katz, Susan Jeffrey, symptoms
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