DESCRIPTION. Celexa® (citalopram HBr) is an orally administered selective serotonin reuptake inhibitor with a chemical structure unrelated to that of other SSRIs or of tricyclic, tetracyclic, or other available antidepressant agents. How to use Celexa. Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start taking citalopram and each time you get a refill. Celexa drug interactions (in more detail) Further information Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Celexa only for the indication prescribed. Citalopram is used to treat depression. Citalopram is in a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs). It is thought to work by increasing the amount of serotonin, a natural substance in the brain that helps maintain mental balance. Citalopram, sold under the brand name Celexa among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. It is used to treat major depressive disorder , obsessive compulsive disorder , panic disorder , and social phobia. [1] Celexa (citalopram hydrobromide) is a type of antidepressant called a selective serotonin reuptake inhibitor indicated for the treatment of depression. Citalopram is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs). Citalopram is used to treat depression. Citalopram may also be used for purposes not listed in this medication guide Celexa: Le citalopram appartient à un groupe de médicaments appelés inhibiteurs sélectifs du recaptage de la sérotonine (ISRS). Elle s'utilise pour soigner une dépression. Les ISRS améliorent une dépression en augmentant la quantité de sérotonine (un neurotransmetteur) située dans certaines zones du cerveau, ce qui, en retour. Citalopram is in the class of drugs called selective serotonin reuptake inhibitors (SSRIs), a class that also contains fluoxetine , paroxetine and sertraline. Citalopram was approved by the FDA in July 1998. Citalopram drug interactions (in more detail) Further information Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use citalopram only for the indication prescribed.