Presbyterian Healthcare 
Stroke
Warning Signs
| Over 68 percent of Americans cannot name the most common warning sign of stroke: sudden numbness or weakness in the face, arm or leg, especially on one side of the body. |
During a stroke, every minute makes a difference. That is why it is important to recognize when a stroke is occuring. Research shows that there is a major lack of public awareness when it comes to knowing the warning signs of stroke.
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Do you have specific questions about stroke? Visit our Health Library for answers. |
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Stroke Warning Signs
The following are the most common symptoms of stroke. However, each individual may experience symptoms differently. If any of these symptoms are present, call 911 immediately. Treatment is most effective when started immediately. Symptoms may include:
- Sudden weakness or numbness of the face, arm, or leg, especially on one side of the body
- Sudden confusion or difficulty speaking or understanding
- Sudden blurred vision, dimness or loss of vision in one or both eyes
- Sudden dizziness or loss of balance
- Sudden problems with coordination, movement or walking
- Sudden, severe headaches with no known cause
All of the above warning signs may not occur with each stroke. Do not ignore any of the warning signs, even if they go away - take action immediately. The symptoms of stroke may resemble other medical conditions or problems.
Additional Stroke Warning Signs
Other, less common, symptoms of stroke may include the following:
- Sudden nausea, vomiting or fever not caused by a viral illness
- Brief loss or change of consciousness such as fainting, confusion, seizures, or coma
- Transient ischemic attack (TIA), or "mini-stroke"
A TIA can cause many of the same symptoms as a stroke, but TIA symptoms are transient and last for a few minutes to a few days. Call for medical help immediately if you suspect a person is having a TIA, as it may be a warning sign that a stroke is about to occur. Not all strokes, however, are preceded by TIAs.
