Ketamine therapy is available in the forms of IV (intravenous) infusion, sublingual ketamine troches, IM (intramuscular) injections, and nasal spray (Spravato/esketamine). Ketamine has been called an anesthetic, a psychedelic, and a nootropic drug. Ketamine-assisted therapy is already available for conditions such as depression, anxiety, post-traumatic stress disorder (PTSD), obsessive compulsive disorder (OCD), bipolar depression, addiction, suicidality, chronic pain, neuropathic pain, and migraine headaches.