At Visit 1 following Informed Consent, a physical exam and vital signs will be completed. A medical, headache, and medication history (to include age, sex, height and weight, and duration and location of headache pain, as well as history of ER visits) will be collected on all subjects. Eligible subjects will be provided with a Baseline Headache Diary and instructed to treat migraines for the following month in their usual manner with their usual treatment. The daily Diary will document headache, acute treatment and response, and migraine associated symptoms (nausea, vomiting, light sensitivity, or sound sensitivity) to establish a Baseline number of headache days and severity. Visit 2 will be scheduled for 1 month following Visit 1. Following Visit 1, Visits 2-13 (treatment visits) will be scheduled to occur twice weekly (during the regular Monday - Friday work week) at least 2 days apart. Treatments should not occur on consecutive days.