SSRI is an acronym for Selective Serotonin Reuptake Inhibitor, which is a type of antidepressant drug. There are several synonyms for SSRI that are commonly used in the medical community and by patients alike. These synonyms include serotonin-specific reuptake inhibitors, serotonin reuptake inhibitors, and serotonin boosters. Other terms used to describe this type of medication include SSRIs, antidepressant drugs, and mood stabilizers. Regardless of the terminology used, these medications work by increasing the levels of serotonin in the brain, which can help to regulate mood and reduce symptoms of depression and anxiety. It is important to consult with a healthcare provider to determine the best course of treatment.