Depressive personality disorder  

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Depressive Personality Disorder (also known as melancholic personality disorder) is a controversial psychiatric diagnosis that denotes a personality disorder with depressive features.

Originally included in the American Psychiatric Association's DSM-II, depressive personality disorder was removed from the DSM-III and DSM-III-R. Recently, it has been reconsidered for reinstatement as a diagnosis. Depressive personality disorder is currently described in Appendix B in the DSM-IV-TR as worthy of further study. Although no longer listed in the manual's personality disorder category, the diagnosis is included under the section “personality disorder not otherwise specified”.

While depressive personality disorder shares some similarities with mood disorders such as dysthymic disorder, it also shares many similarities with personality disorders including avoidant personality disorder. Some researchers argue that depressive personality disorder is sufficiently distinct from these other conditions so as to warrant a separate diagnosis.

Characteristics

The DSM-IV defines depressive personality disorder as "a pervasive pattern of depressive cognitions and behaviors beginning by early adulthood and occurring in a variety of contexts." Depressive personality disorder occurs before, during, and after major depressive episodes, making it a distinct diagnosis not included in the definition of either major depressive episodes or dysthymic disorder. Specifically, five or more of the following must be present most days for at least two years in order for a diagnosis of depressive personality disorder to be made:

• Usual mood is dominated by dejection, gloominess, cheerlessness, joylessness, and unhappiness
• Self-concept centers around beliefs of inadequacy, worthlessness, and low self-esteem
• Is critical, blaming, and derogatory towards the self
• Is brooding and given to worry
• Is negativistic, critical, and judgmental toward others
• Is pessimistic
• Is prone to feeling guilty or remorseful

People with depressive personality disorder have a generally gloomy outlook on life, themselves, the past and the future. They are plagued by issues developing and maintaining relationships. In addition, studies have found that people with depressive personality disorder are more likely to seek psychotherapy than people with Axis I depression spectrums diagnoses.

Recent studies have concluded that people with depressive personality disorder are at a greater risk of developing dysthymic disorder than a comparable group of people without depressive personality disorder. These findings lead to the fact that depressive personality disorder is a potential precursor to dysthymia or other depression spectrum diagnoses. If included in the DSM-V, depressive personality disorder would be included as a warning sign for potential development of more severe depressive episodes.

Researchers at McLean Hospital in Massachusetts looked at the comorbidity of depressive personality disorder and a variety of other disorders. It was found that subjects with depressive personality disorder were more likely than the subjects without depressive personality disorder to currently have major depression and an eating disorder. Subjects with and without depressive personality disorder were statistically equally likely to have any of the other disorders examined.