Ketamine, one of the most common<unk> s.<unk> s are a class of drugs that work to antagonize, or inhibit the action of, the N-Methyl-D-aspartate receptor <unk> R). They are commonly used as anesthetics for animals and humans; the state of anesthesia they induce is referred to as dissociative anesthesia. Several synthetic opioids function additionally as<unk> R-antagonists, such as pethidine, levorphanol, methadone, dextropropoxyphene, tramadol and ketobemidone. Some<unk> s, such as ketamine, dextromethorphan (DXM), phencyclidine (PCP), methoxetamine (MXE), and nitrous oxide (N2O), are sometimes used as recreational drugs, for their dissociative, hallucinogenic, and euphoriant properties. When used recreationally, they are classified as dissociative drugs.
NMDA receptor antagonist
Glycine receptor antagonist
GABA reuptake inhibitor
GABA analogue
Dopamine antagonist
Adenosine reuptake inhibitor
Serotonin receptor agonist
GABAA receptor positive allosteric modulator