CHAPTER 1: Introduction CHAPTER 2: Types CHAPTER 3: Approach CHAPTER 4: History CHAPTER 5: Neurological Examination CHAPTER 6: The Red Flags Go Under the Rubric SNOOP CHAPTER 7: Imaging CHAPTER 8: Primary Headaches CHAPTER 9: Migraine CHAPTER 10: Phases of Migraine CHAPTER 11: Migraine Features CHAPTER 12: Pathophysiology of Migraine CHAPTER 13: Treatment of Migraine CHAPTER 14: Migraine Prevention CHAPTER 15: Tension-type Headaches CHAPTER 16: Treatment of Tension-type Headache CHAPTER 17: Trigeminal Autonomic Cephalgias CHAPTER 18: Other Primary Headaches CHAPTER 19: Secondary Headaches CHAPTER 20: Neuralgias CHAPTER 21: Headaches and Sinus Disease CHAPTER 22: Challenges CHAPTER 23: Case Discussion Index