- Sudden weakness or numbness of the arms, legs, or face, especially on one side.
- Sudden vision problem in one or both eyes.
- Sudden dizziness, loss of balance or coordination, or difficulty walking.
- Sudden confusion or trouble speaking.
- Sudden severe headache with no known cause.
Promptly recognizing stroke warning symptoms and seeking immediate emergency care can mean the difference between life and death or disability.
Patients whose stroke is caused by an interruption of the blood supply to the brain (blood clot) can be treated with clot-busting drugs, but such medicines should be given within three hours of symptom onset.
Other type of strokes may require immediate surgery to prevent serious disability or death.
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