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Dysthymia (/ d ɪ s ˈ θ aɪ m i ə / dihs-THIY-mee-uh), also known as persistent depressive disorder (PDD), [3] is a mental and behavioral disorder, [5] specifically a disorder primarily of mood, consisting of similar cognitive and physical problems as major depressive disorder, but with longer-lasting symptoms.
According to the earlier DSM-IV, PDD-NOS referred to "mild or severe pervasive deficits in the development of reciprocal social interaction and/or verbal and nonverbal communication skills, or when stereotyped behavior, interests, and/or activities are present, but the criteria are not met for a specific PDD" or for several other disorders. [2]
Others use the general category because the term PDD actually refers to a category of disorders and is not a diagnostic label. [4] PDD is not itself a diagnosis, while PDD-NOS is a diagnosis. To further complicate the issue, PDD-NOS can also be referred to as "atypical personality development", "atypical PDD", or "atypical autism". [citation ...
For most, the feelings of sadness and emptiness pass with time. However, for some people, it can linger, intensify and even dominate their lives, crippling their ability to go through life.
.51 Mild.52 Moderate.53 Severe without psychotic features.54 Severe with psychotic features.50 Unspecified.40 Bipolar I disorder, most recent episode hypomanic.4x Bipolar I disorder, most recent episode manic.46 In full remission.45 In partial remission.41 Mild.42 Moderate.43 Severe without psychotic features.44 Severe with psychotic features
C. These symptoms must have onset during the developmental period. Intellectual disability is specified by severity, with the varying severities being mild, moderate, severe, and profound. These severity levels are determined by how well one is able to function intellectually, socially, and independently. [2]
The signs, symptoms and cognitive profile of PDD are similar to those of DLB; [2] DLB and PDD are clinically similar after dementia occurs in Parkinson's disease. [5] Parkinson's disease is a risk factor for PDD; it speeds up decline in cognition leading to PDD. [2] Up to 78% of people with PD have dementia. [2]
In the early stages of the disease, this can result in mild symptoms such as reduced appetite or feelings of fatigue, but as CKD progresses, "complications like high blood pressure, heart disease ...