https://careskit.com/product-category/anti-anxiety/prozac/ Prozac is a common brand name for fluoxetine, an antidepressant that’s part of a class of drugs called selective serotonin reuptake inhibitors (SSRIs). Prozac (Fluoxetine) is a prescription antidepressant used to treat depression, anxiety disorders, and other mental health conditions. Here’s how to purchase it safely and legally in the US.