Oxycontin grapefruit juiceI'll try to find it in a sec . . . Drugs that may be affected include oxycodone, diazepam, alprazolam, lorazepam, . . that will do it. . Wiley Online Library will be disrupted 2nd Apr from 10-12 BST for monthly maintenance. Oxycodone (Oxycodone is metabolized by the cytochrome P450 system, specifically CYP3A4, of which the bergamottin . A high fat meal has been shown to increase the blood concentration of oxycontin . . Grapefruit juice is the . . . Purified powders of... more