Melancholic Depression, or 'depression with melancholic features' is a subtype of depression characterized by the inability to find pleasure in positive things combined with physical agitation, insomnia, or decreased appetite.

Depression with Melancholic Features as a subtype of depression characterized by:

a) At least one of the following:

Loss of pleasure in all, or almost all, activities.
Lack of mood reactivity to usually pleasurable stimuli (can't feel much better, even when something
good happens)

b) At least three of the following:

Depression is regularly worse in the morning
Early morning awakening (at least 2 hours before usual time of awakening)
Marked psychomotor retardation or agitation
Significant anorexia or weight loss
Excessive or inappropriate guilt
Distinct quality of depressed mood (i.e., the depressed mood is experienced as distinctly different
from the kind of feeling experienced after the death of a loved one).

Approximately 10% of people with depression suffer from Melancholic Depression.

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