• sudden weaknesses
• sudden numbness or tingling in face, arms, legs, especially on one side
• sudden trouble speaking or understanding speech, slurred speech
• sudden loss of vision in one eye, or double vision
• sudden, intense, unusual headache
• dizziness, unsteadiness, sudden fall, especially combined with any of the above signs

Note: Stroke-like symptoms can also signal infection such as meningitis, a drug overdose or a seizure.