Paroxetine is used for:

Treating depression, obsessive-compulsive disorder (OCD), generalized and social anxiety disorders, posttraumatic stress disorder, and panic disorders with or without the fear of being in open or public places. It may also be used for other conditions as determined by your doctor.

Paroxetine is a selective serotonin reuptake inhibitor (SSRI). It works by restoring the balance of certain natural substances in the brain, which help to elevate moods...