It seems from the history that you are suffering from chronic migraine
. The treatment in the acute phase is by use of ergot alkaloids. Since you are having chronic recurrent attacks you need prophylactic drugs to prevent recurrent attacks.
The commonly used prophylactic drugs are flunarizine
or beta blockers like propranolol
With these prophylactic drugs your migraine will come down no need to worry.
Migraine causing stroke
is seen in a rare condition called as hemiplegic migraine and it not present with these symptoms as you have mentioned in the history.
Hence no need to worry.