For major depression, you may experience five or more of the following for at least a two week period :
· Persistent sadness, pessimism
· Feelings of guilt, worthlessness, helplessness or hopelessness
· Loss of interest or pleasure in usual activities, including sex
· Difficulty concentrating and complaints of poor memory
· Worsening of co-existing chronic disease, such as rheumatoid arthritis or diabetes
· Insomnia or oversleeping
· Weight gain or loss
· Fatigue, lack of energy
· Anxiety, agitation, irritability
· Thoughts of suicide or death
· Slow speech; slow movements
· Headache, stomachache, and digestive problems
The above information thankfully comes from the webmd.com at the following link
