An antidepressant used in cases of deep depression, panic disorders, social anxiety disorders, anxiety disorders. The mechanism of its action is based on the ability to selectively block the reuptake of serotonin by the presynaptic membrane of the neurons of the brain. Consequently, its serotonergic effect in the central nervous system that is responsible for the development of antidepressant effect, increases, which determines the effectiveness in the treatment of panic and social anxiety disorder.