The signs or symptoms of depression vary greatly, due to a range of behavioral and physical changes that each particular individual may experience. There could be modifications in the following:
- Mood − anxiety, apathy, loss of interest in activities, mood swings, sadness, etc.
- Sleep − excessive sleepiness or insomnia
- Behavior − crying, irritability, social isolation, and agitation
Weight gain or weight loss are also common symptoms, as is excessive hunger or loss of appetite and fatigue. In addition, it is important to watch for suicidal thoughts.