Question: what drugs are used to treat major depressive disorder?
Answer: Selective serotonin reuptake inhibitors (SSRIs). Doctors often start by prescribing an SSRI. ... 
Serotonin-norepinephrine reuptake inhibitors (SNRIs). ... 
Atypical antidepressants. ... 
Tricyclic antidepressants. ... 
Monoamine oxidase inhibitors (MAOIs). ... 
Other medications.