If a CYP3A4 inhibitor is discontinued, contemplate rising the oxycodone HCl dosage right until stable drug effects are achieved. Watch for signs of opioid withdrawal. Benzodiazepine equivalency tables state that 0.5mg of alprazolam (Xanax) is close to similar to 5mg diazepam (Valium). However, persons of Asian descent metabolize Xanax in differe