Ketamine

 
 

Ketamine is a general dissociative anaesthetic for human and veterinary use. Its hydrochloride salt is sold as KetanestŪ, KetasetŪ, and KetalarŪ. Pharmacologically it is very similar to other dissociative anesthetics such as tiletamine and phencyclidine (PCP).

Ketamine was first synthesized in 1962 in an attempt to find a safer anaesthetic alternative to PCP. The drug was first used on American soldiers during the Vietnam War, but is often avoided now because it can cause unpleasant out-of-body experiences. It is still used widely in veterinary medicine, and for select human applications.

Ketamine's "unpleasant" side effects prompted its first psychedelic use in 1965. The drug was used in psychiatric and other academic research through the 1970s, culminating in 1978 with the publishing of John Lilly's The Scientist, a book documenting the author's ketamine, LSD, and isolation tank experiments. The incidence of recreational ketamine use increased through the end of the century, especially in the context of raves and other parties. The increase in illicit use prompted ketamine's placement in Schedule III of the United States Controlled Substance Act in August 1999.

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