There are many types of migraine, one of them is migraine aura. Migraine aura occurs before or along with a migraine and may cause disturbances in vision, sensation, or speech.
The American Migraine Foundation estimates that 25 to 30 percent of people with migraine experience migraine aura. Migraine aura begins even before a migraine attack begins, often a warning sign that a migraine is about to begin.
Migraine aura usually begins about an hour before the migraine pain begins and lasts less than 60 minutes. Not all types of migraine will necessarily cause you to have a migraine aura.
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