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Definition
By Mayo Clinic staffPersonality disorder is a general term for a type of mental illness in which your ways of thinking, perceiving situations and relating to others are dysfunctional. There are many specific types of personality disorders.
In general, having a personality disorder means you have a rigid and potentially self-destructive or self-denigrating pattern of thinking and behaving no matter what the situation. This leads to distress in your life or impairment of your ability to go about routine functions at work, school or social situations. In some cases, you may not realize that you have a personality disorder because your way of thinking and behaving seems natural to you, and you may blame others for your circumstances.
