mavorixafor will increase the stage or effect of codeine by impacting hepatic enzyme CYP2D6 metabolism. Contraindicated. Mavorixafor (a powerful CYP2D6 inhibitor) is contraindicated with medicine which might be highly depending on CYP2D6 for clearance.Sildenafil citrate is a style of drug identified as a PDE5 inhibitor, which just means that it sto