Diagnosis for personality disorders typically includes a physical exam, blood tests, and a psychological evaluation. Some of these tests are used to rule out other causes. There are a number of specific disorders that fall under the general heading of personality disorders. A doctor may review the person's history, talk with those who interact with the person, and make personal observations to determine which specific disorder to diagnose. Making an accurate diagnosis may take some time as the symptoms of several of these disorders overlap. The American Psychiatric Association has developed criteria for each specific disorder, which aids in making an accurate diagnosis.
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