Depression can bring in a lot of mental hazards if not treated in the early stage. Depression can become severe giving rise to other dangerous medical conditions. Severe depression can cause lack of sleep thereby affecting the health of the person and reducing the immune system of the body. Due to severe depression, depressed person gets thought of suicide.

As a result of severe depression the person feels alone, helpless, loses confidence in him and separates him from the society. The depressed will get panic and threatened often without any reason. Severe depression can also cause frequent change in the mood, the person may start crying or laughing without any reason. Severe depression will lead to poor health making the person lazy and inactive.

If not treated in the early stage, severe depression is more dangerous than the effects of other deadly diseases such as arthritis, diabetes because depression has direct impact on the feeling of the person. The weight of the depressed will keep on changing that it will suddenly increase or decrease. Sometimes, the person suffering from depression may develop back pain and neck pain because severe depression will make the muscles weak.