What are the main signs and symptoms of a stroke?

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    Last Updated: May 16, 2025

    Stroke symptoms can vary based on the individual and the affected brain area, but they typically begin suddenly in approximately 96% of cases. Common symptoms include dizziness, loss of balance, one-sided weakness or numbness, slurred speech, vision problems, headache, nausea, and uncoordinated movements.

    Symptoms of stroke can vary from person to person and depend on the type of stroke and the area of the brain affected. One common similarity is that these symptoms start suddenly about 96% of the time.[1] Some common symptoms include:

    • Dizziness
    • Falling
    • Loss of balance
    • One-sided weakness or numbness in an arm, leg or the face
    • Slurred speech and trouble speaking
    • Trouble seeing clearly/double vision
    • Headache
    • Nausea and/or vomiting
    • Abnormal and uncoordinated movements
    What are the main signs and symptoms of a stroke? - Examine