I am on several medications now and I worry about complications and interactions. I have researched the medications that concern me the most, which are Diazepam and Oxycodone. From what I've read, these medications stay in your system for days at a time and I don't understand how you can take them on a regular basis without overdosing. I had planned on discussing this with my doctor at my next visit but I saw the Q&A on this site and hope to get an answer sooner.