Its mechanism of action is poorly understood, however, some of the speculated ones are that it prevents dopamine reuptake, facilitates presynaptic dopamine release, and blocks glutamate NMDA receptors.

然而，人们对其作用机制知之甚少，其中一些推测是它能阻止多巴胺再摄取，促进突触前多巴胺释放，并阻断谷氨酸盐NMDA受体。