Amantadine, an antiviral agent, would also help shut down the neuronal NMDA receptors, binding to them at a different site than the one blocked by ketamine.

• 金刚烷胺（amantadine）是一种抗病毒药物，能和NMDA受体的另一个接合点结合，与K他命分进合击，更能达成关闭神经元NMDA受体的任务。