When someone around you is having a stroke, acting quickly could save his/her life. The symptoms of a stroke are distinct because they happen quickly and could happen at any time. If you believe someone is having a stroke call 911 immediately. Symptoms of a stroke are an onset of sudden numbness or weakness of the face, arm, or leg especially on one side of the body. More symptoms include confusion, trouble speaking and trouble seeing out of one or both eyes. Sudden severe headaches with no known cause and trouble walking, dizziness and loss of balance are all noticeable signs of someone having a stroke. Being able to recognize a stroke could save you or someone you know.