mavorixafor will raise the amount or effect of codeine by impacting hepatic enzyme CYP2D6 metabolism. Contraindicated. Mavorixafor (a solid CYP2D6 inhibitor) is contraindicated with medication that are hugely dependent on CYP2D6 for clearance.Whilst Viagra is taken into account Harmless to employ, some people could experience delicate Unwanted side