A nasal spray that contains esketamine — a potent derivative of ketamine — can now be taken on its own to treat adults with severe depression, the FDA says. Here's what that means.

CIII allows people who have tried at least two oral antidepressants to use the spray on its own – without the need for more ...

The Food and Drug Administration (FDA) recently approved the nasal spray Spravato for the treatment of major depression in ...