Ritonavir or lopinavir/ritonavir drastically maximize plasma concentrations of oxycodone in healthy human volunteers on account of inhibition of CYP3A4 and CYP2D6.[58] Rifampicin tremendously decreases plasma concentrations of oxycodone because of sturdy induction of CYP3A4.However, your browser is not really supported. Make sure you obtain a singl