Depression 101: Symptoms
According to the DSM-IV, the Diagnostic and Statistical Manual for Psychiatric Disorders, Fourth Edition, major depression is when you have a least five of the following nine symptoms for at least two weeks.
D1. Depressed mood most of the day, nearly every day.
D2. Diminished interest or pleasure in almost all activities of the day, nearly every day.
3. 3. Significant weight gain or loss when not dieting, and decreased appetite nearly every day.
4. 4. Insomnia or hypersomnia (sleeping too much) nearly every day.
5. 5. Abnormal restlessness or a drop in physical activity nearly every day.
6. 6. Fatigue or loss of energy nearly every day.
7. 7. Feelings of worthlessness or excessive inappropriate guilt nearly every day.
8. 8. Diminished ability to think, concentrate, or make decisions nearly every day.
9. 9. Recurrent thoughts of death, or recurrent suicidal thoughts with a specific plan; or a suicide attempt; or a specific plan for committing suicide.
It also says that one of the first two symptoms (depressed mood or diminished interest) must be among the five symptoms you are experiencing. It is very important to recognize the symptoms of depression, of yourself, or your loved ones.