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migraine aura definition | Concept | Medical Knowledge Base

Knowledge Base/Concept/migraine aura definition

migraine aura definition

A migraine aura is a warning sign of an oncoming migraine headache. An aura develops gradually, usually within 30 minutes before a migraine headache starts, and consists of visual disturbances and physical sensations. Not everyone who suffers from migraines develops an aura. For those who do, common symptoms of a...

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Last updated: Jan 7, 2026

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