This unique book draws on the real-world experience of leading practitioners to offer proven diagnosis and management techniques for primary headache disorders, secondary disorders, and unusual headache disorders. Advanced Therapy of Headache, Second Edition uses the case study approach to mirror clinical practice. First, cases specific to type or etiology are presented. Then, the author explains how the case was diagnosed and managed. Suggestions regarding management of similar cases are provided. Last, vital information is summarised in a quick-reference format.