11. This provides support for the idea that dysthymia is in part caused by heredity. 12. This provides support for the idea that dysthymia is caused in part by heredity. 13. Tentative evidence supports the use of amisulpride to treat dysthymia but with increased side effects. 14. They have a little-known and often medically ignored yet treatable emotional disorder called dysthymia . 15. Some common symptoms of depression and dysthymia ( a less severe form of depression ) include: 16. There is some evidence of a genetic basis for all types of depression, including dysthymia . 17. Dysthymia can be contrasted with major depressive disorder by assessing the acute nature of the symptoms.18. A " double depression " is the occurrence of episodes of major depression in addition to dysthymia . 19. It has been suggested that the best way to prevent double depression is by treating the dysthymia . 20. There are many subtypes of clinical depression, some of which include atypical depression, and dysthymia .