Depression, extreme mood or personality changes, or episodes of intense or unusually high energy seen in bipolar disorder can be caused by many disorders. Other possible causes for these types of symptoms include:
It is also possible that certain serious medical conditions, such as a brain tumor, can cause a change in personality or behavior. You or your loved one should seek treatment for these symptoms. Be sure to discuss all your symptoms with your doctor. This will help him or her make an accurate diagnosis.
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