I think i might be depressed.. what are symptoms of depression?

Major Depression: is a mood disorder lasting a minimum of two weeks. Depressive sx's may include low mood, irritability, anger, ^ or v sleep, change in appetite, feelings of helplessness or hopelessness, v energy, v self-esteem, feelings of guilt. V motivation, absence of joy,v concentration, v memory & suicidal thoughts.

Sadness: grief, number of losses, friends, moving away, changes, too much sleep, too little sleep, deaths in close relationships, guilt, suicidal thoughts, suicidal plan, eating too much/too little, loss of interest in others/environment, things you usually enjoy. Crying for no reason. Go talk to a therapist/psychologist and see a psychiatrist. They can do a thorough exam-dont wait.