Symptoms vary widely depending on the type of personality disorder.
In general, personality disorders involve feelings, thoughts, and behaviors that do not adapt to a wide range of settings.
These patterns usually begin in adolescence and may lead to problems in social and work situations.
The severity of these conditions ranges from mild to severe.
Personality disorders are diagnosed based on a psychological evaluation and the history and severity of the symptoms.
Blais MA, Smallwood P, Groves JE, Rivas-Vazquez RA. Personality and personality disorders. In: Stern TA, Rosenbaum JF, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier;2008:chap 39.
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