Prozac  -  $ 1.76

Prozac is used for treating depression or obsessive-compulsive disorder (OCD) in adults and children. It is used to treat bulimia nervosa and panic disorder in adults

Paxil  -  $ 1.92

Paxil is used for treating depression, obsessive-compulsive disorder (OCD), generalized and social anxiety disorders, posttraumatic stress disorder, and panic disorders with or without the fear of being in open or public places

Zoloft  -  $ 1.86

Zoloft is used for treating depression, obsessive-compulsive disorder (OCD), panic disorder, posttraumatic stress disorder (PTSD), premenstrual dysphoric disorder (PMDD; a severe form of premenstrual syndrome), and social anxiety disorder