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Migraine, knot in forehead after car accident. Reason for swelling during migraine attack?

i was in a bad car accident in 2011, where i went through a windshield. before accident i got migraines (from being hit by car when teenager) but now when i get one right above my forehead , i had a giant knot when i went through went shield and not its kinda indented in, swells up and when that happens i cant do anything nothing helps just to try to sleep. why is it swelling when i get a migraine is my question?
Asked On : Mon, 11 Mar 2013
Answers:  1 Views:  27
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Neurologist 's  Response
Nov 2013
Thank you for posting your query.
During the attacks of migraine, there is increased blood supply to brain and scalp region. So, a person with migraine may get a swelling due to increased vascularity of the tissue. There is no need to worry about them.
You need preventive migraine therapy to reduce the severity and frequency of migraine headaches.

Please get back if you require any additional information.

Best wishes,

Dr Sudhir Kumar MD (Internal Medicine), DM (Neurology)
Senior Consultant Neurologist
Apollo Hospitals, Hyderabad,
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Answered: Tue, 6 Aug 2013
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