symbyax Get Now Symbyax is a combination of: Fluoxetine: An antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. It helps improve mood, sleep, and appetite. Olanzapine: An atypical antipsychotic that helps stabilize mood and manage symptoms such as agitation and hallucinations. Together, these medications work to alleviate symptoms of [...]