To answer your question about stroke, there is a statistical link between migraine and increased risk
, but most research indicates that the risk
is quite low--but higher than it needs to be in smokers. That's a hint.
Go to your walk-in clinic to be on the safe side. They will take your history and examine you, always a prudent thing with a new experience like this, even though you're probably just going to be diagnosed with migraine headache.