Question: What is the Mechanism of Action of Levomilnacipran? As I have already said, levomilnacipran is classified as a serotonin-norpinephrine reuptake inhibitor (SNRI). It has no significant effects at any other sites. The obvious question is whether levomilnacipran is different in any way from existing SNRIs that are approved for the treatment of major depressive…