Fluvoxamine is an antidepressant medication belonging to the selective serotonin reuptake inhibitor (SSRI) class, primarily prescribed for the treatment of obsessive‑compulsive disorder (OCD) and major depressive disorder (MDD). It reduces intrusive thoughts and compulsive behaviors by increasing serotonin levels in the brain and improves mood, sleep, appetite, and energy levels in patients with major depressive disorder.