Adverse effects of<unk>  in overdose at doses 3 to 10 times the recommended therapeutic dose: At doses 15 to 75 times the recommended therapeutic dose: Episodic acute psychosis can occur when high doses of<unk>  are taken for recreational use, and an abundance of psychiatric symptoms can result, including dissociation and other PCP-like symptoms.
Dextromethorphan
Nalorphine
Pethidine
Dextrorphan
Aceclidine
Betamethadol
Fentanyl
Procaine