I agree w/ Disce Pati,
I have taken percocet for years w/ pretty good response. I was switched to opana 2 x a day, and had horrible headaches/nausea. I took it for close to a week, and had ZERO pain relief from it. I started back on my percs and am up and walking again! I think everyones body digests meds differently. If opana works great for you, im very happy that u have found something that take the edge off!!!!! That is all everyone here is looking for, i think! lol
good luck, shannon