How to know if i have depression?

See a psychiatrist,: Psychologist or physician for diagnosis. If you have depression, you may feel unhappy (sad, angry, irritable, scared) much of the time. Sleeping too much or too little ; eating too much or too little may occur. One could also experience isolation from friends, loss of motivation, inability to feel pleasure as well as feelings of helpless, hopeless, useless or guilt. Sometimes a person may want to.

See a psychiatrist: You should see a psychiatrist or other mental health professional. Some symptoms of depression include low mood, loss of interest in pleasurable activities, changes in sleep and appetite, poor concentration, guilt and worry, low energy, and suicidal thinking.