Some antidepressants are Monoamine oxidase inhibitors (MAOIs), Norepinephrine and dopamine reuptake inhibitors (NDRIs), tricyclic antidepressants (TCAs), tetracyclic antidepressants (TeCAs), Selective serotonin reuptake inhibitors (SSRIs), Serotonin and norepinephrine reuptake inhibitors (SNRIs), miscellaneous antidepressants.