Ketamine, an N-methyl-D-aspartate (NMDA) antagonist, can produce antidepressant effects more rapidly than current first-line treatments for depression.1 Ketamine is a racemic (50-50 mixture of the R and S isomers) drug known for its dissociative, anesthetic, and antidepressant effects.2 Ketamine’s novel mechanism of action, contrasting to that of typical SSRI’s, has driven its popularity in the…
