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

Originally included in the American Psychiatric Association's DSM-II^{[citation needed]}, depressive personality disorder was removed from the DSM-III and DSM-III-R.^[1]^{[failed verification]} The latest description of depressive personality disorder is described in Appendix B in the DSM-IV-TR. Although no longer listed as a personality disorder in the DSM-5, the diagnosis of subclinical Other Specified Personality Disorder and Unspecified Personality Disorder can be used to classify an equivalent of depressive personality disorder.^[2] In the DSM-5, it has been reconsidered for reinstatement as a diagnosis in an alternative approach to personality disorders in the form of "general criteria for personality disorder" which primarily assesses "impairments in personality functioning".^[2]

While depressive personality disorder shares some similarities with mood disorders such as dysthymia, it also shares many similarities with other 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 independently of major depressive episodes, making it a distinct diagnosis not included in the definition of either major depressive episodes or dysthymic disorder.^[3]^: 732

Five or more of the following criteria must be present:

usual mood is dominated by dejection, gloominess, cheerlessness, joylessness and unhappiness
self-concept centres on beliefs of inadequacy, worthlessness and low self-esteem
is critical, blaming and derogatory towards self
is brooding and given to worry
is negativistic, critical and judgmental toward others
is pessimistic
is prone to feeling guilty or remorseful^[3]^: 733

Studies in 2000-2002 have found more of a correlation between depressive personality disorder and dysthymia than a comparable group of people without depressive personality disorder.^[4]^[5]

Millon's subtypes

Theodore Millon identified five subtypes of depression.^[1]^[6] Any individual depressive may exhibit none, or one or more of the following:

Subtype	Description	Personality traits
Ill-humored depressive	Including negativistic features	Patients in this subtype are often hypochondriacal, cantankerous and irritable, and guilt-ridden and self-condemning. In general, ill-humored depressives are down on themselves and think the worst of everything.
Self-derogating depressive	Including dependent features	Patients who fall under this subtype are self-deriding, discrediting, odious, dishonorable, and disparage themselves for weaknesses and shortcomings. These patients blame themselves for not being good enough.
Morbid depressive	Including schizoid and masochistic features	Morbid depressives experience profound dejection and gloom, are highly lugubrious, and often feel drained and oppressed.
Restive depressive	Including avoidant features	Patients who fall under this subtype are consistently unsettled, agitated, wrought in despair, and perturbed. This is the subtype most likely to commit suicide in order to avoid all the despair in life.^[1]
Voguish depressive	Including histrionic and narcissistic features	Patients who fall under this subtype embrace their suffering as ennobling. They view their personal depression as self-glorifying and dignifying; their unhappiness as a stylish expression of social disenchantment.

Not all patients with a depressive disorder fall into a subtype. These subtypes are multidimensional in that patients usually experience multiple subtypes, instead of being limited to fitting into one subtype category. Currently, this set of subtypes is associated with melancholic personality disorders. All depression spectrum personality disorders are melancholic and can be looked at in terms of these subtypes.

DSM-5

Similarities to dysthymic disorder

Much of the controversy surrounding the potential inclusion of depressive personality disorder in the DSM-5 stems from its apparent similarities to dysthymic disorder, a diagnosis already included in the DSM-IV. Dysthymic disorder is characterized by a variety of depressive symptoms, such as hypersomnia or fatigue, low self-esteem, poor appetite, or difficulty making decisions, for over two years, with symptoms never numerous or severe enough to qualify as major depressive disorder. Patients with dysthymic disorder may experience social withdrawal, pessimism, and feelings of inadequacy at higher rates than other depression spectrum patients. Early-onset dysthymia is the diagnosis most closely related to depressive personality disorder.^[7]

The key difference between dysthymic disorder and depressive personality disorder is the focus of the symptoms used to diagnose. Dysthymic disorder is diagnosed by looking at the somatic senses, the more tangible senses. Depressive personality disorder is diagnosed by looking at the cognitive and intrapsychic symptoms. The symptoms of dysthymic disorder and depressive personality disorder may look similar at first glance, but the way these symptoms are considered distinguish the two diagnoses.

Comorbidity with other disorders

Many researchers believe that depressive personality disorder is so highly comorbid with other depressive disorders, manic-depressive episodes and dysthymic disorder, that it is redundant to include it as a distinct diagnosis. Recent studies however, have found that dysthymic disorder and depressive personality disorder are not as comorbid as previously thought. It was found that almost two thirds of the test subjects with depressive personality disorder did not have dysthymic disorder, and 83% did not have early-onset dysthymia.^[1]

The comorbidity with Axis I depressive disorders is not as high as had been assumed. An experiment conducted by American psychologists showed that depressive personality disorder shows a high comorbidity rate with major depression experienced at some point in a lifetime and with any mood disorders experienced at any point in a lifetime. A high comorbidity rate with these disorders is expected of many diagnoses. As for the extremely high comorbidity rate with mood disorders, it has been found that essentially all mood disorders are comorbid with at least one other, especially when looking at a lifetime sample size.^[8]

Still progressing in treatments for depression

"There are limited available resources, Recognition of depression and lack of being familiar with antidepressant medications makes it difficult to prescribe the right medication to treat the specific depression disorder type. It may be where a person may take a treatment and be more of a trial and error until finding what works for them. Treatment is a major problem in the treatment of depression both in India and in the West." . 2014 Feb;139(2):188–190.^[9]

References

^ ^a ^b ^c ^d Millon, T. (2006). Personality subtypes. Retrieved from http://millon.net/taxonomy/summary.htm Archived 2013-10-23 at the Wayback Machine
^ ^a ^b Diagnostic and statistical manual of mental disorders : DSM-5. American Psychiatric Association, American Psychiatric Association. DSM-5 Task Force (5th ed.). Arlington, VA: American Psychiatric Association. 2013. ISBN 978-0-89042-554-1. OCLC 830807378.{{cite book}}: CS1 maint: others (link)
^ ^a ^b Diagnostic and Statistical Manual of Mental Disorders (4th ed.). American Psychiatric Association. 1994.
^ Ryder, Andrew G.; Bagby, R. Michael; Schuller, Deborah R. (17 June 2002). "The Overlap Of Depressive Personality Disorder and Dysthymia: A Categorical Problem With a Dimensional Solution". Harvard Review of Psychiatry. 10 (6): 337–352. doi:10.1080/10673220216230. ISSN 1067-3229. PMID 12485980. S2CID 8825180.
^ Kwon, J. S.; Kim, Y. M.; Chang, C. G.; Park, B. J.; Kim, L; Yoon, D. J.; Han, W. S.; Lee, H. J.; Lyoo, I. K. (2000). "Three-year follow-up of women with the sole diagnosis of depressive personality disorder: Subsequent development of dysthymia and major depression". The American Journal of Psychiatry. 157 (12): 1966–72. doi:10.1176/appi.ajp.157.12.1966. PMID 11097962.
^ Millon, Theodore, Personality Disorders in Modern Life, 2004
^ University of Michigan Psychology Department, . (2006, January 20). Dysthymic disorder. Retrieved from http://www.med.umich.edu/depression/dysthymia.htm Archived 2010-02-27 at the Wayback Machine
^ Nemeroff C.B. (2002). "Comorbidity of mood and anxiety disorders: the rule, not the expception?". American Journal of Psychiatry. 159 (1): 3–4. doi:10.1176/appi.ajp.159.1.3. PMID 11772680.
^ Poole-Wilson, P. A.; Langer, G. A. (September 1975). "Effect of pH on ionic exchange and function in rat and rabbit myocardium". The American Journal of Physiology. 229 (3): 570–581. doi:10.1152/ajplegacy.1975.229.3.570. ISSN 0002-9513. PMID 2014.

Depressive personality disorder