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dysthymia
A mood disorder characterized by depressed mood & loss of interest or pleasure in customary activities, with some additional signs & symptoms of depression, that is present most of the time for at least 2 years. Many patients with dysthymia go on to develop major depressive episodes.
Diagnostic criteria: DSM IV
1) depressed mood most of the time for at least 2 years
2) presence , while depressed of 2 or more of the following:
a) poor appetite or overeating
b) insomnia or hypersomnia
c) low energy or fatigue
d) low self-esteem
e) poor concentration of difficulty making decisions
f) feelings of hopelessness
3) during a 2 year period, never without symptoms for more than 2 months
4) symptoms not due to physiological effects of substance or medical condition
5) symptoms cause disruption in important areas of function
Epidemiology: 2% of elderly
Related
depression
major depression
General
mood disorder
sign/symptom
References
- Diagnostic & Statistical Manual of Mental Disorders, Fourth
Edition (DSM-IV)
- Medical Knowledge Self Assessment Program (MKSAP) 19
Board Basics. An Enhancement to MKSAP19.
American College of Physicians, Philadelphia 2022
- Devanand DP.
Dysthymic disorder in the elderly population.
Int Psychogeriatr. 2014 Jan;26(1):39-48.
PMID: 24152873 Review.
- Ishizaki J, Mimura M.
Dysthymia and apathy: diagnosis and treatment.
Depress Res Treat. 2011;2011:893905. doi: 10.1155/2011/893905. Epub 2011 Jun 27.
PMID: 21747995 PMCID: PMC3130974 Free PMC article.