A Retrospective Chart Review to Evaluate Diagnosis and Treatment of Chronic Migraine and Headache
A Retrospective Chart Review to Evaluate Diagnosis and Treatment of Chronic Migraine and Headache
This study is a retrospective chart review in patients diagnosed with headache or migraine to
 evaluate treatment patterns and diagnosis.
Inclusion Criteria:

 -  Diagnosis of chronic migraine or other diagnosis of migraine or headache for a minimum
 of 15 months

 -  Eight (8) headache days per month for at least 1 of the preceding 15 months

 Exclusion Criteria:

 -  Not currently diagnosed with chronic migraine, headache or migraine

 -  History of receiving botulinum toxin injections for the treatment of chronic migraine.