I am on tramidol for arthritis in my spine, and cymbalta (duloxetine) for mood disorder, will these medications cause long term damage? also i still have pain, why

No,i understand: Arthritis of your spine is a very common condition caused by a variety of causes, trauma, degeneration, other systemic condition--tramadol, Cymbalta (duloxetine) is one of the best arrangement we have for long term management--depending on your particulars like mri, source and quality of pain, other options available--ask your doc.