Current pain and headache reports
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The use of botulinum toxin for movement disorders and cosmesis led to an accidental discovery of its beneficial effect on headaches. Extensive anecdotal evidence and several controlled trials suggest that intermittent and chronic migraines and chronic tension headaches may respond to this treatment. The effect of a single treatment, which is simple to administer, can last for 3 months. ⋯ Prophylactic pharmacotherapy of migraine headaches is limited in its efficacy and has a potential for systemic side effects. This makes botulinum toxin a preferred treatment for many patients. The large controlled trials that are underway may lead to a wider acceptance of this treatment by neurologists and pain specialists.