Visit 2 - Randomization / Injection Following the 1-month Baseline Period, any change in medical or medication history since the previous visit will be collected and a pregnancy test collected if appropriate. Vital signs will be recorded. Subjects continuing to meet eligibility criteria will be instructed to complete the online Treatment Period Migraine Diary daily. The MEWT, HIT-6, Migraine Specific Questionnaire (MSQ) and COWAT will be completed. The coordinator will assess compliance with online headache diary and any deviation outside of 100% compliance should be documented at the site. If in the investigator's opinion, the subject maintained a high level of compliance with the online headache diary, subjects will then be randomized into the study.