Could someone explain to me why you see photophobia and neck stiffness in patients with subarachnoid haemorrhage?
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Could someone explain to me why you see photophobia and neck stiffness in patients with subarachnoid haemorrhage?
Mechanism of photophobia is explained here: Photophobia in meningitis. The mechanism is similar in subarachnoid hemorrhage too.
As for neck stiffness, it is related to irritation of meningeal layers by the blood present in the CSF after hemorrhage in the subarachnoid space.