Aura (symptom): Difference between revisions
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{{Infobox medical condition | |||
| name = Aura (symptom) | |||
| image = [[File:Migraine_aura.jpg|250px]] | |||
| caption = Visual aura with zigzag pattern | |||
| field = [[Neurology]] | |||
| symptoms = [[Visual disturbances]], [[sensory changes]], [[speech disturbances]] | |||
| onset = Typically before [[migraine]] headache | |||
| duration = 5 to 60 minutes | |||
| causes = [[Cortical spreading depression]] | |||
| risks = [[Migraine]], [[family history]] | |||
| diagnosis = Clinical evaluation, [[patient history]] | |||
| differential = [[Transient ischemic attack]], [[seizure]], [[retinal detachment]] | |||
| treatment = [[Migraine prophylaxis]], [[lifestyle modifications]] | |||
| frequency = Occurs in about 25% of people with migraines | |||
}} | |||
'''Aura (symptom)''' | '''Aura (symptom)''' | ||
[[File:Aura spacecraft model.png|Aura_spacecraft_model]] | [[File:Aura spacecraft model.png|Aura_spacecraft_model]] | ||
An '''aura''' is a perceptual disturbance experienced by some with [[migraine]] or [[epilepsy]] before either the headache or seizure begins. It often manifests as the perception of a strange light, an unpleasant smell, or confusing thoughts or experiences. Some people experience aura without a subsequent migraine or seizure (a condition called "migraine aura without headache" or "acephalgic migraine"). | An '''aura''' is a perceptual disturbance experienced by some with [[migraine]] or [[epilepsy]] before either the headache or seizure begins. It often manifests as the perception of a strange light, an unpleasant smell, or confusing thoughts or experiences. Some people experience aura without a subsequent migraine or seizure (a condition called "migraine aura without headache" or "acephalgic migraine"). | ||
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== Symptoms == | == Symptoms == | ||
Auras can be different for each person. They may include: | Auras can be different for each person. They may include: | ||
* [[Visual phenomena]], such as seeing various shapes, bright spots, or flashes of light | * [[Visual phenomena]], such as seeing various shapes, bright spots, or flashes of light | ||
* Vision loss | * Vision loss | ||
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* Speech or language difficulties (aphasia) | * Speech or language difficulties (aphasia) | ||
* Less commonly, an aura may be associated with [[limb weakness]] (hemiplegic migraine). | * Less commonly, an aura may be associated with [[limb weakness]] (hemiplegic migraine). | ||
== Causes == | == Causes == | ||
Auras are typically caused by abnormal electrical activity in the brain. This can occur as a result of: | Auras are typically caused by abnormal electrical activity in the brain. This can occur as a result of: | ||
* [[Migraine]] | * [[Migraine]] | ||
* [[Epilepsy]] | * [[Epilepsy]] | ||
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* Certain genetic disorders | * Certain genetic disorders | ||
* Certain medications | * Certain medications | ||
== Treatment == | == Treatment == | ||
Treatment for auras depends on the underlying cause. In many cases, treating the underlying condition (such as migraine or epilepsy) can help reduce the frequency and severity of auras. | Treatment for auras depends on the underlying cause. In many cases, treating the underlying condition (such as migraine or epilepsy) can help reduce the frequency and severity of auras. | ||
== See also == | == See also == | ||
* [[Migraine]] | * [[Migraine]] | ||
* [[Epilepsy]] | * [[Epilepsy]] | ||
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* [[Aphasia]] | * [[Aphasia]] | ||
* [[Hemiplegic migraine]] | * [[Hemiplegic migraine]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Neurological disorders]] | [[Category:Neurological disorders]] | ||
[[Category:Symptoms and signs]] | [[Category:Symptoms and signs]] | ||
Latest revision as of 16:52, 4 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Aura (symptom) | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Visual disturbances, sensory changes, speech disturbances |
| Complications | N/A |
| Onset | Typically before migraine headache |
| Duration | 5 to 60 minutes |
| Types | N/A |
| Causes | Cortical spreading depression |
| Risks | Migraine, family history |
| Diagnosis | Clinical evaluation, patient history |
| Differential diagnosis | Transient ischemic attack, seizure, retinal detachment |
| Prevention | N/A |
| Treatment | Migraine prophylaxis, lifestyle modifications |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Occurs in about 25% of people with migraines |
| Deaths | N/A |
Aura (symptom)
An aura is a perceptual disturbance experienced by some with migraine or epilepsy before either the headache or seizure begins. It often manifests as the perception of a strange light, an unpleasant smell, or confusing thoughts or experiences. Some people experience aura without a subsequent migraine or seizure (a condition called "migraine aura without headache" or "acephalgic migraine").
Symptoms[edit]
Auras can be different for each person. They may include:
- Visual phenomena, such as seeing various shapes, bright spots, or flashes of light
- Vision loss
- Pins and needles sensations in an arm or leg
- Speech or language difficulties (aphasia)
- Less commonly, an aura may be associated with limb weakness (hemiplegic migraine).
Causes[edit]
Auras are typically caused by abnormal electrical activity in the brain. This can occur as a result of:
- Migraine
- Epilepsy
- Brain tumor
- Certain genetic disorders
- Certain medications
Treatment[edit]
Treatment for auras depends on the underlying cause. In many cases, treating the underlying condition (such as migraine or epilepsy) can help reduce the frequency and severity of auras.
See also[edit]
References[edit]
<references />
