Uses. Escitalopram is used to treat depression and anxiety. It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. In my experience, prozac has been used more for depression than anxiety. Escitalopram (celexa) is one of the better medications for anxiety & depression. Escitalopram, sold under the brand names Cipralex and Lexapro among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. Escitalopram is mainly used to treat major depressive disorder or generalized anxiety disorder. It is taken by mouth. User Reviews for Lexapro to treat Anxiety. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. Escitalopram is used to treat depression and generalized anxiety disorder (GAD; excessive worry and tension that disrupts daily life and lasts for 6 months or longer). Lexapro (escitalopram) is a prescription drug used to treat depression and generalized anxiety disorder. Side effects may include taste alterations, shaking, fever, and headache. Drug interactions, dosage, and pregnancy and breastfeeding safety information are provided. User Reviews for Escitalopram to treat Generalized Anxiety Disorder. Also known as: Lexapro. The following information is NOT intended to endorse drugs or recommend therapy. Escitalopram is used to treat depression and anxiety. It works by helping to restore the balance of a certain natural substance in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors. Escitalopram may improve your energy level and feelings of well-being and decrease nervousness. Escitalopram is a type of antidepressant known as a selective serotonin reuptake inhibitor (SSRI). It's often used to treat depression and is sometimes used for anxiety, obsessive compulsive disorder or panic attacks. Escitalopram is an inexpensive drug used to treat depression and certain types of anxiety. This drug is slightly more popular than comparable drugs.