Botulinum Toxin A for Chronic Migraine?

In a meta-analysis, benefits were modest. Botulinum toxin A is approved for prophylactic treatment of chronic migraine (≥15 headaches per month). The recommended regimen — 31 injections at specified sites in head and neck muscles — may be repeated at 12-week intervals. In a meta-analysis, researchers examined the effectiveness of botulinum toxin A prophylaxis for headaches. [Read more…]