As this recently came up in another thread, IV Nubain has been proven to help alleviate the itching that is associated epidural Duramorph administration:

1) Why does Nubain help to eliminate the itching?
2) What dose would you give?
3) What clinical concerns (if any) are associated with using Nubain in this situation?

Here’s the Bonus question. What about epidurally administered Nubain? Any and all thoughts about this administration route welcome.