Johnson & Johnson has announced the FDA’s approval of a first-of-its-kind, esketamine nasal spray called Spravato for the standalone treatment of major depressive disorder (MDD), PTSD, and similar psychiatric conditions.

The FDA approved esketamine (Spravato) nasal spray as monotherapy for adults with treatment-resistant depression who had an inadequate response to at least two oral antidepressants, maker Johnson & Johnson announced on Tuesday.

Here's what MDs want you to know about Spravato, the latest FDA-approved standalone nasal spray for depression.