This book, Advances in Headache Disorders, was conceived as a comprehensive resource for clinicians, neurologists, and physicians who manage patients with headache disorders. Effective management of headache disorders requires a comprehensive understanding of the neurobiological mechanisms underlying these conditions and the latest advances in treatment options. With the development of new medications, neuromodulation techniques, and diagnostic tools, clinicians now have more resources than ever before to provide personalized, effective care for patients suffering from headaches. However, the key to improving outcomes lies in continued education and staying up to date with the rapid evolution of headache medicine. This book brings together the latest research, treatment strategies, and diagnostic approaches, offering a guide to both common and rare headache conditions. The chapters in this book cover a broad range of headache disorders, from those commonly encountered in clinical settings to more specialized or rare conditions. The chapters have been meticulously composed by distinguished experts in the field of headache medicine. They exhaustively cover the management of various significant primary and secondary headaches and are supplemented by comprehensive algorithms that serve as invaluable tools for busy neurologists.