Good morning Jazzie!
I'm not familiar with the "Opana"....but wanted to metion that the "Search Button" located in the upper righthand of this page, may be of some help to you.
Here is a link to one of the post I coppied for you,...to get you started. It looks like there are several post on the Opana...so search away!
Hope this helps!
Good Luck! Enjoy!
Moderator Chronic Pain Forum
"Snowflakes are one of nature's most fragile things, but just look at what they can do when they stick together"