Celexa (citalopram) is a brand-name drug that’s used to treat depression in adults. Celexa comes as a tablet that you swallow. Learn about side effects, dosage, uses, and more. Celexa® (citalopram HBr) is an orally administered selective serotonin reuptake inhibitor (SSRI) with a chemical structure unrelated to that of other SSRIs or of tricyclic, tetracyclic, or other. Celexa is a selective serotonin reuptake inhibitor (SSRI) that blocks the reuptake of serotonin (5-HT) by the nerves of the central nervous system, which enhances serotonergic activity. Take this medicine only as directed by your doctor, to benefit your condition as much as possible. Citalopram (Celexa) is a well-tolerated SSRI for depression. Learn about the 40mg daily dose limit due to QT prolongation and how it compares to escitalopram. Celexa (citalopram hydrobromide) used to treat the symptoms of depression. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Find patient medical information for Citalopram (Celexa) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Learn about citalopram (Celexa) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Celexa is an antidepressant medication commonly prescribed to treat major depression. However, it’s also safe and effective for a variety of off-label uses, including as a treatment for generalized anxiety disorder (GAD), obsessive-compulsive disorder (OCD), and panic disorder. Citalopram, sold under the brand name Celexa among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. [7][9] It is used to treat major depressive disorder, obsessive compulsive disorder, panic disorder, and social phobia. [7].