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Merck Manual
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Professional
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Neurologic Disorders
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Headache
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Headache
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Approach to the Patient With Headache
Pathophysiology
Etiology
Evaluation
History
Physical examination
Red flags
Interpretation of findings
Testing
Treatment
Geriatrics Essentials
Key Points
Cluster Headache
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Key Points
Idiopathic Intracranial Hypertension
Symptoms and Signs
Diagnosis
Treatment
Key Points
Medication Overuse Headache
Etiology
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Prognosis
Migraine
Epidemiology
Pathophysiology
Symptoms and Signs
Chronic migraine
Other symptoms
Diagnosis
Treatment
Acute attacks
Intractable attacks
Chronic migraines
Neuromodulatory treatments
Treatment references
Prognosis
Prevention
Prevention references
Key Points
Post–Lumbar Puncture and Other Low–Pressure Headaches
Diagnosis
Treatment
Short-Lasting Unilateral Neuralgiform Headache With Conjunctival Injection and Tearing (SUNCT)
Diagnosis
Treatment
Reference
Tension-Type Headache
Symptoms and Signs
Diagnosis
Treatment