Symptoms of depression may last for 2 weeks or more, occurring nearly every day.
A depressed mood most of the day (feeling sad, empty, hopeless, or on the verge of tears)
Loss of interest or pleasure in activities you once enjoyed
Weight loss (even when not on a diet) or experiencing weight gain
Decreases or increases in appetite
Difficulty sleeping or being overly tired
Restlessness or feeling slowed down
Fatigue or a loss of energy
Feeling worthless or guilty
A lack of concentration or difficulty with decision making
Thoughts of death or suicide