what is a aura migraine
Migraine with aura is a type of migraine that has warning signs before the pain begins, called an aura. This used to be called classical migraine.he brainâs blood vessels constrict and this is thought to cause the aura. Soon after the blood vessels widen (dilate) and this is thought to cause the headache. Whatever the cause, the good news is that although painful, migraines with aura are not life threatening.