Meant to be an authoritative guide for psychiatrists and others interested in understanding and applying ketamine psychedelic psychotherapy (KPP), this paper focuses on its pharmacology, phenomenology, and clinical applications. Ketamine is a dissociative anesthetic widely used by physicians and veterinarians in the United States. In addition to its anesthetic and dissociative properties, ketamine also has a multitude of other psychological and pharmacological properties, which include analgesic, sedative, neuroprotective, anxiolytic, antidepressant, stimulant, euphoriant, and hallucinogenic effects. The literature on the clinical application of KPP is comprehensively reviewed, practical advice for using KPP is given, and the pharmacology and phenomenology of ketamine-induced psychedelic experiences are explored, including in relationship to transpersonal healing and possible iatrogenic consequences of misuse of KPP.

Ketamine, a dissociative anesthetic commonly used by US physicians, has recently been shown to be a powerful anti-depressant and is also capable of eliciting transpersonal experiences that can be transformative. Although currently approved in the US only for use as an anesthetic, physicians there can legally prescribe it off-label to treat various psychological/ psychiatric problems and it has been used for these non-anesthetic purposes in Argentina, Iran, Mexico, Russia, and the UK, as well as in the US. The literature on using ketamine psychotherapeutically is reviewed and two case studies using ketamine-enhanced psychotherapy (KEP) for treating death anxiety in terminally-ill people are reported. The potential importance of beginning formal research on using KEP during end-of-life for those suffering death anxiety is emphasized.

Ketamine is a dissociative anesthetic widely used by physicians in the United States and also a psychedelic drug that physicians can legally prescribe off-label within the United States for other therapeutic purposes. It has been used in Russia and elsewhere to successfully treat alcoholism and other psychological or psychiatric problems, but has not been researched for this purpose in the United States. Results of a series of clinical trials using ketamine for treating alcoholism in the United States are retrospectively reported, along with 2 case studies of how psychotherapy facilitated by this substance helped two individuals achieve abstinence through ketamine's transpersonal effects. Considering the massive problems caused by alcoholism, the need to begin formal research studies on ketamine psychotherapy for alcoholism is emphasized.

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