Does Celexa cause weight gain? Consider the positives and negatives of SSRIs by Tamiqua Jackson, PMHNP | Apr 12, 2023 | Medication, Mental Health Topics, Psychiatry For people who are curious about antidepressant medications, particularly selective serotonin reuptake inhibitors (SSRIs), the possibility of weight gain is sometimes a concern. Celexa, the brand name of the generic drug Citalopram, is a common type of SSRI that may be associated with a small gain in weight. If you’ve…