What is the risk of migraine-associated stroke?
The absolute risk of migraine-associated stroke is relatively low. On the basis of data from the Women s Health Study (WHS), migraine with aura accounted for 4 additional IS cases per 10000 women per year when migraine with aura was the assumed underlying cause of stroke. The risk is higher with increasing frequency of migraine and if the aura does not include nausea and vomiting.