The most common sign of stroke is sudden weakness of the face, arm or leg, most often on one side of the body.
Other warning signs can include:
- Sudden numbness of the face, arm, or leg, especially on one side of the body
- Sudden confusion, trouble speaking or understanding speech
- Sudden trouble seeing in one or both eyes
- Sudden trouble walking, dizziness, loss of balance or coordination
- Sudden severe headache with no known cause