mavorixafor will raise the level or outcome of codeine by affecting hepatic enzyme CYP2D6 metabolism. Contraindicated. Mavorixafor (a powerful CYP2D6 inhibitor) is contraindicated with prescription drugs which are remarkably dependent on CYP2D6 for clearance.Small children with obstructive snooze apnea who're treated with codeine for write-up-tonsi