Warning Signs

Stroke symptoms to watch for

Stroke symptoms are often sudden. If you notice a fast change in movement, speech, balance, vision, or facial symmetry, treat it as an emergency and call 911.

What are common stroke symptoms?

Common stroke symptoms include face drooping, arm weakness, trouble speaking, confusion, vision changes, dizziness, numbness, sudden severe headache, or a sudden loss of balance.

Why do sudden symptoms matter so much?

Stroke warning signs often appear suddenly. A sudden change in movement, speech, vision, sensation, or balance is a key reason to treat the situation as an emergency.

Can stroke symptoms come and go?

Yes. Even if symptoms improve or seem to pass, emergency care is still important because the event may still signal a serious stroke-related problem.

When should someone call 911 for stroke symptoms?

Call 911 right away if any stroke-like symptom appears suddenly. Do not wait to see if it gets better.

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