What Are the Symptoms of Depression?

For major depression, you may experience a sad or depressed mood, or an inability to feel pleasure, plus five or more of the following symptoms, for at least a two-week period

• Feelings of guilt, worthlessness, helplessness, or hopelessness
• Loss of interest or pleasure in usual activities, including sex
• Difficulty concentrating and complaints of poor memory
• Insomnia or oversleeping
• Appetite changes, which may include weight gain or loss
• Fatigue, lack of energy
• Thoughts of suicide or death
• Slow speech; slow movements