Headache
Intracranial
Meningeal – Meningitis
vascular – Intracranial Aneurysm, Malignant Hypertension, SubArachnoid Hemorrhage
Skeletal – Metastasis, Paget’s disease, etc.
Space Occupying Lesion – SubDural Hematoma, Tumors, Granulomas, Abscess
Post Lumbar Puncture
Extracranial
vascular – Migraine, Cluster Headache, Temporal Arteritis etc.
Skeletal – Paget’s disease, Torticollis
Referred Pain – Sinusitis, Eyestrain, Glaucoma, Aural
Miscellaneous
Psychogenic, Posttraumatic, Alcohol, Nitrates, Monosodium Glutamate ingestion
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