Dumirox Fluvoxamine Fluvoxamine (floo-VOX-a-meen ) is used to treat obsessive-compulsive disorder. This medicine may also be used for other conditions as determined by your doctor. Fluvoxamine belongs to a group of medicines known as selective serotonin reuptake inhibitors (SSRIs). These medicines are thought to work by increasing the activity of a chemical called serotonin in the brain.