Jan
27
2012

What About Aura & Migraine Pain?






Migraine without aura is a common migraine without aura but exhibits the same symptoms as a classic migraine except that it does not exhibit any aura.

People who primarily suffer from migraine with aura may also have attacks of migraine without aura. Headache with the features of “migraine without aura” usually follows the aura symptoms. Less commonly, the aura may occur without a subsequent headache or the headache may be non-migrainous in type.

Migraine with aura is a classical migraine preceded by an aura before the attack. The aura occurs for about 10-30 minutes and then is usually followed by a headache. It is quite similar to a common migraine except in the aspect of the aura.

About 15% of migraine sufferers have a early warning that the headache is coming on. This change in brain function is called an “aura”. It is usually a visual symptom, such as an arc of sparkling (scintillating) zig-zag lines or a blotting out of vision or both. The aura is due to changes that take place in the cortex, the outer layer of the brain. This slowly spreading depression of nerve cell activity is believed to account for the pattern of development of the typical aura.

Auras set in about 20-30 minutes before the migraine attack. Some patients also describe the presence of a strange odor, before the onset of a migraine. They also experience a tingling sensation in an arm or leg.



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