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Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges).
Our Health A-Z contains more information on Meningitis.
A subarachnoid haemorrhage is a type of stroke caused by bleeding in and around the brain.
Our Health A-Z contains more information on Subarachnoid haemorrhage.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.