According to the DSM-IV-TR criterion for detecting a major depressive disorder or clinical depression, 2 aspects should be present, and that is depressed mood or anhedonia. It is acceptable to have either of these clinical depression symptoms in combination with five other clinical depression symptoms over a two-week duration, which includes;
Mental or physical fatigue and loss of energy feelings of shame, hopelessness, stress and anxiety, fear, or helplessness, decreased amount of interest or enjoyment in all, or almost all, day-to-day activities practically every day, changing appetite and visible weight reduction or gain, psychomotor agitation or retardation almost every day, feelings of overpowering sadness, or the seeming inability to feel emotion.
Other symptoms include trouble concentrating or making decisions, or a generalized slowing of cognition consisting of memory, disturbed sleeping patterns such as excessive sleep or hypersomia, sleeplessness, or loss of REM sleep. Repeated thoughts of death, not just the fear of dying, but persistent suicide ideation with a particular plan, or a particular plan of committing suicide or suicide attempt Depression .
Other clinical depression symptoms, in some cases reported but not normally considered in medical diagnosis include, inattention to personal hygiene, fear of going mad, reduction in self-esteem, change in perception of time, sensitivity to noise, physical pains and aches with the belief that these may be indications of a serious disease.
Clinical depression symptoms in kids are not as evident as in adults. Some of the symptoms that kids might show are irritability, loss of appetite, learning or memory issues where none existed previously, sleep problems such as reoccurring nightmares, and substantial behavioral changes such as social isolation, aggression, and withdrawal.
An additional indication might be the excessive use of alcohol or drugs, where depressed teenagers are at a particular risk of further essential behavior such as eating disorders and self-harm.
One of the most extensively used instruments for determining the extent of depression is the Beck Depression Inventory, which has twenty-one multiple-choice questions. For people who have not experienced clinical depression, either personally or by regular exposure to people who deal with it, it is hard for them to comprehend the emotional impact and seriousness, taking it to be similar as having the blues or feeling down.