The depression symptoms tend to vary in severity. But the most basic symptom of depression is feeling sad, or extremely unhappy. There may be a lack of motivation or even total apathy in certain cases. Another symptom of depression is a feeling of being lonely, or of feeling isolated from everything and everybody. A lack of self confidence and feeling plagued by self doubt is constantly there. Depressed people tend to suffer from low self esteem, as well as a total lack of self respect and a feeling of worthlessness. They may feel distracted all the time due to a total lack of concentration. Such people would find even the daily events difficult to cope with.
A major symptom of depression is procrastination which leads to avoiding life and becoming withdrawn. Such people may face a difficulty sleeping since they would be unable to sleep normally. The symptom of depression may be emotional or even physical, which may include over-eating, drinking too much, besides a lack of interest in sex. It may lead to poor concentration as well as violent or aggressive behavior in men. Depressed person may not be interested in his or her appearance or hygiene and will have a lot of mood swings as well as sudden bursts of anger.
You need to look out for all these major depression symptoms. In case you have a combination of a few of these real social and mental problems they may build up within you. In that case a treatment is vital. But in case your depression is not severe, then even self help may be good enough. Self help entails taking the help of friends and family, as it cannot be done on your own. It is important to understand that it takes time to come out of this situation.