Depression Symptom Checklist:
* Depressed mood observed by self or others
* Increased irritability
* Lowered sex drive
* Diminished interest in daily activities
* Strong anxiety
* Paranoia
* Lack of pleasure in daily activities
* Loss of ability to laugh and experience joy in your daily life
* Stronger or diminished appetite resulting in weight loss or gain
* Insomnia or hypersomnia (oversleeping) on a regular basis
* Feeling slowed down in your ability to think or physically move
* Fatigue or loss of energy
* Feelings of worthlessness
* Excessive and inappropriate amounts of guilt
* Diminished ability to focus or concentrate
* Indecisiveness
* Impulsiveness
* Thoughts of death
* Thoughts of suicide
* Plan for suicide
* Suicide attempt
Depression Symptom Affected Areas
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Physical symptoms
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Behavior problems
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Distorted thinking
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Mood and emotional difficulties
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Troubled relationships
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Specific situations that trigger symptom of depression
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Spiritual or symbolic meanings attached to depression
*
The personal history that led to lifestyle patterns that seem related to depression
*
Physical aches and pains
*
Family history of depression or mental illness
Source:
http://www.overcoming-depression.com/depression-symptom.html 
depression checklist 
