Dextromethorphan is principally a sigma receptor agonist and an SNRI, and dextromethorphan's consequences as a dissociative hallucinogen could possibly be attributed partially to dextrorphan (DXO), a metabolite made when dextromethorphan is metabolized by the human body. Both equally dextrorphan and dextromethorphan are NMDA receptor antagonists,[3

Article Under Review