Question: which ssri is the cheapest?
Answer: Zoloft (sertraline)$6.52. Sertraline (Zoloft) is an inexpensive drug used to treat depression. ... 
Prozac (fluoxetine)$5.24. ... 
Lexapro (escitalopram)$7.21. ... 
Celexa (citalopram)$5.30. ... 
Paxil (paroxetine)$8.29. ... 
Brisdelle (paroxetine)$8.29. ... 
Viibryd$300.72. ... 
fluvoxamine$21.44.