This document lists common symptoms of depression including feelings of sadness, loss of interest, feelings of worthlessness, changes in appetite, sleep, activity level, concentration and memory problems. It notes that a major depressive episode requires 5 or more of these symptoms nearly every day for at least two weeks and dysthymic disorder involves less severe but long-lasting symptoms for at least two years.

1. Death
Sadness
Thoughts
Suicide
Depressed Mood
Indecisiveness
Interest
Cognitive Delusions
Pleasure Loss of Anhedonia
Concentration
Usual Activities Emotional
Poor
Memory
Irritability
Poor self-esteem
Hopelessness
Withdrawal From Social Activities
Worthlessness
Feelings Preoccupied With
Agitated
Self-Hatred
Depression Symptoms and Signs
Behavior Lethargic
5 or more symptoms
Major Depression
Low Mood
5 Week Minimum Duration
Can't Experience Pleasure
Psychosis
3 or more symptoms
Delusions Rare Symptoms
Dysthymic Disorder
At least 2 years in
Unpleasant Hallucination
duration
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