Shopping for Lexapro Online? The best value, highest quality and independence are all part of Lexapro. It is the most widely used prescription drug for the treatment of depression. Find Find more about this product at our online store.Lexapro online is available as a generic version of Celexa, as well as the brand name Lexapro. The drug works to treat depression, panic disorder, posttraumatic stress syndrome, obsessive-compulsive disorder (OCD), and social anxiety disorder.