Ketamine is one of the most widely used emergency anesthetic for humans and has been approved for that use for decades. Ketamine use as an anti-depressant has b

Ketamine is one of the most widely used emergency anesthetic for humans and has been approved for that use for decades. Ketamine use as an anti-depressant has been approved by the FDA for 3 years now. It is also part of the WHO list of essential medicines.