mavorixafor will boost the stage or outcome of codeine by affecting hepatic enzyme CYP2D6 metabolism. Contraindicated. Mavorixafor (a powerful CYP2D6 inhibitor) is contraindicated with drugs that happen to be really depending on CYP2D6 for clearance.There might be other Unwanted side effects of dextromethorphan that aren't listed below. Speak to yo