Unhappy mood, sad feelings, irritability and loss of interest in every aspect of life, every person experience one or couple of them in his or her life occasionally but when they all are collectively experienced for significant period of time, it means that person may on the way for depression. When people feel anxious there is at least a sign that they are engaged in their future, they feel fearful that something dreadful will happen. But people suffering from depression become hopeless about the future. They are sure that nothing good will ever happen to them.
It is not only about the change in mood or feelings, number of physical changes may come along with depression. A person with depression may over eat or experience marked decrease in appetite, have hyper somnia or may have trouble falling asleep. Difficulty in concentrating, fatigue and medically unexplained bodily symptoms such as headache and body aches are also commonly reported by the people suffering from depression (Wade & Tavris, 2003). Depression is so common as Mash and Wolfe (2002) have stated that it as “common cold of psychopathology”.
Diagnostic and Statistical Manual for mental disorders (DSM-IV-TR) describe depression in terms of symptoms. According to DSM-IV-TR if 5 or more of the below given symptoms meet for two weeks or more, it’s called major depressive episode. The symptoms for major depressive episode are:
(a) Depressive mood most of the day, nearly every day, as indicated by either subjective report (e.g. feels sad or empty) or observation made by others (e.g. appears tearful). Note: In children and adolescents can be irritable mood.
(b) Markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day (as indicated by either subjective account or observation made by others).
(c) Significant weight loss when not dieting or weight