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Transient ischemic attack (TIA)

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Transient ischemic attack (TIA)

A transient ischemic attack (TIA) happens when blood flow to part of the brain is stopped for a short time. This can cause stroke symptoms that may last for at least a few minutes. But unlike a stroke, a TIA doesn't cause lasting brain damage.

A TIA is a warning that you may have a stroke in the future. Early treatment can help prevent a stroke.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.