Escitalopram is a selective serotonin reuptake inhibitor medication that is most often used to help treat various mental illnesses and mood disorders. Escitalopram is a type of antidepressant drug. Escitalopram is the generic name of the drug, which is also sold under the brand name Lexapro. Other brand names for escitalopram include Cipralex, Seroplex, Lexam, and Lexamil. Escitalopram is often used to treat generalized anxiety disorder, as well as major depressive disorder. Escitalopram helps to manage mood disorders by boosting levels of serotonin, a chemical naturally found in the brain that helps to stabilize moods. Escitalopram can help alleviate fear, anxiety, panic, and depression.