How long do symptoms of chronic depression (dysthymia) last?
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Donna Hill Howes answered:To be classified as chronic depression (dysthymia), depression symptoms such as low, dark, or sad mood must last at least two years. If untreated, symptoms of dysthymia can continue for years.To be classified as chronic depression (dysthymia), depression symptoms such as low, dark, or sad mood must last at least two years. If untreated, symptoms of dysthymia can continue for years. More

