Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
SSRIs are a type of antidepressant medication that increase the level of serotonin, a neurotransmitter associated with feelings of well-being and happiness, in the brain by preventing its reabsorption into the neurons.