N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Combining the CYP3A4 inhibitor ketoconazole with oxycodone, hydrocodone etc. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #5 All (1) Like (1) Jul 26, 2023 RxVeritas Bluelighter Messages 193 Reaction score 177 Points 30 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Combining the CYP3A4 inhibitor ketoconazole with oxycodone, hydrocodone etc.