
Headache Images
Primary Headache - in order of frequency
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Tension-type
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Migraine
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Cluster type

Secondary Causes of Headache
Traction causes of Headache
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Thrombotic and ischemic disease
Neoplasmas
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Hematomas
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Hemorrhage
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Neoplasms
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Expanding disease in the eyes, ears, nose and throat structures
Inflammatory causes of headache
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Giant cell arteritis with involvement of the cranial arterial structures
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Collagen-vascular disorders
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Infections of the meninges and surrounding structures of the head and neck
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Brain abscess (may cause headache due to expansion as well)
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Inflammatory disease of the venous system
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Maligant hypertension with vasculitis
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Inflammatory disease of the temporomandibular jont
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Cranial neuralgias

Post-Traumatic headache
Miscellaneous
Noncephalic infections