I personally take both...though I try to space them out or I absolutely must find a place to sleep!
The way my PM explained it to me........... I was asking for a higher dose of hydromorphone and he told me "we aren't going to chase this thing with narcotics" and then added oxycodone as a breakthrough med. I was scared to start a new one and he explained that the meds work on different pain receptors in the brain. Ok.....so I finally tried the oxycodone and it worked so much better!
I have tried oxymorphone (that's the extended release of the hydromorphone med Opana ER) and it was way too much for me. For some reason it worked wonderfully for the first 6 hours and then kind of dumped the rest of the med into my system. I don't know why, but it just isn't the med for me. It felt like an OD and I never want to take one again! I even took the bottle back in and gave it to the DR.
Failed fusion L5-S1, Pituatary damage, HGH Def, Fibro, Bladder surgery failure, Nissen Failure, GERD, OCPD, GAD, MDD, CTS (Bilateral Surgery completed), CFS, TMJ, Migraines, Vit D, A, Magnesium deficiency, Pre-glaucomic (sp?), HBP, Idiopatic Reactive Hypoglycemia, Edema, too many Drug/Food allergies, sensitivites, and current meds to list.