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What could cause sudden onset memory loss?

5 doctors weighed in
4 doctors agree

In brief: Several causes

Sudden memory loss can be caused by strokes, seizures, certain medications, psychiatric conditions and rarely complex migraine.
Another cause is transient global amnesia a condition in which patients suddenly can't form new memories. It usually recovers within 24 hrs. The cause is not known but it may be a complex vascular phenomenon.

In brief: Several causes

Sudden memory loss can be caused by strokes, seizures, certain medications, psychiatric conditions and rarely complex migraine.
Another cause is transient global amnesia a condition in which patients suddenly can't form new memories. It usually recovers within 24 hrs. The cause is not known but it may be a complex vascular phenomenon.
Dr. Darren Gitelman
Dr. Darren Gitelman
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