Headache pain is widespread: 70% of Americans report suffering from headaches; 12% of those experience migraine pain. Aiming to supply clinicians with the information they need to care for headache patients, this second edition covers the most current information on headache classification, diagnostic procedures, and the treatment and management of chronic headache pain, including botulinum toxin for headache and zolmitriptan. The author discusses all common headache conditions: migraine, chronic migraine, status migraine, cluster and related headaches, tension headaches, sinus headaches,...