Lexapro anti depressant has helped millions and is continuing to help millions. If you are the type of person who likes to take action when you discover something that will profoundly change your life in positive ways, then Lexapro is for you. In the brain, is an important factor in the development and severity of depressive symptoms, such as sad mood, fatigue, lack of pleasure, etc. Escitalopram appears to work by increasing the available supply of serotonin