The FDA approved Botox injections to prevent headaches in adult patients with chronic migraine. Chronic Migraine is defined as having a history of migraine and experiencing a headache on most days of the month. To treat chronic migraines, Botox is given approximately every twelve weeks as multiple injections around the head and neck to try to dull future headache symptoms. Botox has not been shown to work for the treatment of migraine headaches that occur fourteen days or less per month, or for other forms of headache. It is important that patients discuss with their physician whether Botox is appropriate for them. See the FDA news release.