Dextromethorphan is principally a sigma receptor agonist and an SNRI, and dextromethorphan's results being a dissociative hallucinogen may very well be attributed partly to dextrorphan (DXO), a metabolite developed when dextromethorphan is metabolized by the body. Both of those dextrorphan and dextromethorphan are NMDA receptor antagonists,[32] ali