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The underlying cause of migraine is unknown. [60] ... Migraine with aura, or "classic migraine", usually involves migraine headaches accompanied by aura. Less ...
Causes of migraine with aura: No one knows exactly what causes migraine with aura. “There's a genetic component to all of migraine, but why some people get the aura — aside from genetic ...
The aura is usually followed, after a time varying from minutes to an hour, by the migraine headache. However, the migraine aura can manifest itself in isolation, that is, without being followed by headache. The aura can stay for the duration of the migraine; depending on the type of aura, it can leave the person disoriented and confused.
Another subtype of migraine with aura, retinal migraine affects the eyes and can cause temporary vision loss. Symptoms may include: Vision loss between 10 minutes up to one hour
There are four possible phases of a migraine attack: prodrome, aura, attack and post-drome, the Mayo Clinic explains. Not everyone who gets a migraine attack will experience all four phases.
Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]
The ICHD-2 specifies two different forms of the previously dubbed "menstrual migraine": pure menstrual migraine without aura and menstrually-related migraine without aura. The sole difference between these diagnoses is the occurrence of headache attacks outside of the 5-day period described in the diagnostic criteria.
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