Preliminary visual disturbances and cortical symptoms at onset of attack are due to-
Vasoconstriction of branches of internal carotid artery.
Subsequent throbbing headache is due to
Vasodilataion in distrbution of external carotid artery.
Above features are related to release of following neuropeptides
Many symptoms i dicuse shortly.
I suggest online booking homoeo doctor
Practo. 21/02/2017.
Answered2017-02-21 05:41:02
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