Hello sloopy and Welcome!
I assume you have been to see a doctor since you mentioned you just had a CT Scan, have you shared with the doctor who is treating you that you have a family history of aneurysm and subarachnoid hemorrhage? What are his/her thoughts on that? Oh, and let us know the results of you CT Scan.
I will tell you that I am in the same type of situation with migraines starting or becoming worse after an automobile accident...I had what I call "normal people migraines" before and after the accident they progressive got worse and turned into horrible monsters that can be almost daily!
I can say that by your symptoms they can be, as you call it "a normal migraine" I didn't see anything that seemed to be out of the realm of migraine symptoms. I would still voice your concerns with your doctor and make sure to share family history whether they ask you for it or not!!!
please keep me informed and let me know how you are doing!
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