Following recent guidelines set by the International Classification of Headache Disorders, this reference presents the most current diagnostic and treatment protocols for migraine and other headache conditions. Chapters are authored by internationally renowned headache clinicians and scientists, including several past presidents of the American Headache Society and the International Headache Society. User-friendly and up-to-date, this reference offers useful tables, algorithms, and diagrams that lead clinicians to effective treatments for the management of migraine and the reduction of migraine severity.