Escitalopram Oxalate UsesEscitalopram Oxalate is used in the treatment of depression, anxiety disorder, obsessive-compulsive disorder, phobia, post traumatic stress disorder and Panic disorder.How Escitalopram Oxalate worksEscitalopram Oxalate is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It works by increasing the levels of serotonin, a chemical messenger in the brain. This improves mood and physical symptoms of depression and also relieves symptoms of anxiety, panic attacks and obsessive-compulsive disorders.