Lexapro is an antidepressant and a member of the family of medicines known as selective serotonin reuptake inhibitors (SSRIs). It was developed by isolating the medicinal component of CELEXA (citalopram HBr), which is a molecule acknowledged as an isomer. Consequently, Lexapro is able to offer an efficient and well-tolerated treatment. How does it work? Lexapro helps to re-establish the brain's chemical balance by increasing the existing supply of serotonin, a substance in the brain which is thought to influence humor. If you have some doubts about Lexapro, on this site you will be able to learn everything you need to know. In addition they also provide useful information about depression and anxiety; so that they can help you understand your condition. Other features include a Physician locator.