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A subarachnoid haemorrhage is a type of stroke caused by bleeding in and around the brain.
More information on Subarachnoid Haemorrhage is available here.
If you are worried about this condition you can try our free AI Symptom Checker here
\\ An aneurysm is a bulge in a blood vessel caused by a weakness in the blood vessel wall, usually where it branches.
More information on Aneurysm is available here.
A migraine is usually a moderate or severe headache felt as a throbbing pain on one side of the head.
More information on Migraine is available here.
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.