Section I Diagnostic Questions 1: Orgasmic Headaches 2: Sinus Headache 3: White Matter Abnormalities on Magnetic Resonance Imaging 4: Childhood Migraine 5: Giant Cell Arteritis 6: Carotid Dissection 7: Chiari Malformation and Migraine 8: New Daily Persistent Headache 9: Spontaneous Intracranial Hypotension 10: Vasculitis Headache 11: Migraine with Persistent Aura 12: Migrainous Vertigo 13: Cough Headache 14: Nummular Headache Section II Treatment Considerations 15: Menstrual Headaches 16: Analgesic Overuse 17: Headaches in Pregnancy 18: Hemicrania Continua 19: Trigeminal Neuralgia 20: Emergency Department and Inpatient Management 21: Occipital Neuralgia 22: Headache Recurrence 23: Headache and Allergy 24: Headache Treatment in Human Immunodeficiency Virus Infection (HIV) and Drug Addiction 25: Pseudotumor Section III Prognostic, Social, and Legal Issues 26: Migraine Treatment and the Serotonin Syndrome 27: School Issues 28: Posttraumatic Headaches 29: Transient Global Amnesia and Migraine 30: Migraines and Arteriovenous Malformations 31: Migraine and Patent Foramen Ovale 32: Postconcussive Headache 33: Use of Triptans in Elderly Patients