mavorixafor will improve the degree or outcome of codeine by impacting hepatic enzyme CYP2D6 metabolism. Contraindicated. Mavorixafor (a powerful CYP2D6 inhibitor) is contraindicated with drugs which might be remarkably dependent on CYP2D6 for clearance.There might be other Unintended effects of dextromethorphan that aren't stated listed here. Get