Headaches that start in the back of the skull and upper neck; usually spurred (or increase in intensity) by valsalva maneuvers, such as: coughing, sneezing, heaving, laughing, etc.
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Orthostatic Headache
Positional headache that worsens when upright (sometimes after being upright for a prolonged amount of time) and gain relief when lying down.
Also see: Intracranial Hypotension, CSF Leaks
Photophobia
An extreme sensitivity to light; which can often become painful.
