Some of the most common symptoms of Stroke can be: Face Drooping: One side of the face may droop or become numb. Ask the person to smile to see if one side of the face is drooping. Arm Weakness: One arm may become weak or numb. Ask the person to raise both arms to see if one arm drifts downward. Speech Difficulty: Speech may be slurred, or the person may have trouble speaking or understanding speech. Ask the person to repeat a simple sentence and see if the words are slurred or the sentence is repeated incorrectly.