Ketamine Nasal Spray

Traditionally used as an anesthetic, new studies have found intranasal ketamine to be effective for treatment-resistant depression.
 
Rapid onset (at or around 24 hours) and sustained results give promise to this novel medication, with minimal adverse effects.

 

Referemces:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8204747/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8381465/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4185009/