A migraine is usually a moderate or severe headache felt as a throbbing pain on one side of the head.
Our Health A-Z contains more information on Migraine.
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: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.
Find our site useful? Try our appSee all our available platforms