Ketamine

Ketamine got its start in Belgium in the 1960s as an anesthesia medicine for animals. The FDA approved it as an anesthetic for people in 1970. It was used in treating injured soldiers on the battlefields in the Vietnam War.
Emergency res-ponders may give it to an agitated patient who, for example, they have rescued from a suicide attempt. That’s how Ken Stewart, MD, says doctors began to realize that the drug had powerful effects against depression and suicidal thoughts.