A must-have book for any health professional who treats patients with headache disorders, Refractory Migraine is written by international experts from the world's top headache centers. It describes how they approach the treatment of migraine patients who continue to suffer despite appropriate medical treatment. First, it highlights current ideas about the definition and characterization of refractory migraine, and reviews underlying causes and contributing factors. Then, individual chapters cover every important aspect of migraine treatment with the focus entirely on refractory forms...