Medscape - Depression-specific dosing for Celexa (citalopram), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost. Overview: Citalopram is used to treat depression. It is thought to work by increasing the amount of a natural chemical called serotonin in the brain. Common side effects may include nausea. Citalopram is used to treat depression, including major depressive disorder (MDD). It is an antidepressant that belongs to a group of medicines known as selective serotonin reuptake inhibitors (SSRIs). Citalopram (Celexa) is a medication that treats depression. It increases the amount of serotonin in your brain. Celexa (citalopram) is a medication that’s commonly prescribed for depression. It’s generally well tolerated, but it has some side effects to be aware of. Common side effects of Celexa include nausea, dry mouth, and sleep changes. Sexual side effects, such as erectile dysfunction, are also possible. 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 anxiety disorder. [7] The antidepressant effects may take one to four weeks to occur. [7] Celexa (citalopram) is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs). Includes Celexa side effects, interactions and indications. 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 (citalopram hydrobromide) used to treat the symptoms of depression. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Citalopram is an antidepressant (selective serotonin reuptake inhibitor) and is used to treat depression. Learn about side effects, interactions and indications.