NMDA receptor antagonist

Uncommon card · No. 137093

NMDA receptor antagonists are a class of drugs that work to antagonize, or inhibit the action of, the N-methyl-D-aspartate receptor (NMDAR). They are commonly used as anesthetics for humans and animals; the state of anesthesia they induce is referred to as dissociative anesthesia. Several synthetic opioids function additionally as NMDAR-antagonists, such as pethidine, levorphanol, methadone, dextropropoxyphene, tramadol, and ketobemidone. Some NMDA receptor antagonists, such as ketamine, dextromethorphan (DXM), phencyclidine (PCP), methoxetamine (MXE), and nitrous oxide (N2O) are sometimes used recreationally for their dissociative, hallucinogenic, and euphoriant properties. When used recreationally, they are classified as dissociative drugs.

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