Migraine headache
Migraine is a complex neurophysiological disease characterized by episodic, and sometimes chronic, and progressive forms of headache.
Tag headache
Headache aetiology
Early hypotheses of headache pain focused on peripheral mechanisms. These include extracranial muscle contraction and vascular dilation
Headache classification
Headache is a symptom. Headache may be a primary, such as cluster headache, or secondary to another issue, such as a brain tumour
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Sudden severe headache DDx
The work up of patients with sudden severe headache centers on excluding subarachnoid hemorrhage, however there are numerous other causes.