A visual aura, consisting of partial loss of vision or scintillating scotoma, precedes the headache in about a quarter of migraineurs. Occasionally people in their 50’s or 60’s, whether or not they have a history of migraine, develop attacks consisting of the aura only. They are often misdiagnosed as having TIA’s or strokes. The attacks are usually infrequent and no treatment is needed. They last about 30 minutes whereas TIA’s last less than 5 minutes.
Migraine Aura Without Headache
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