Can you use primidone with Fentanyl transdermal system?

Nope - Duragesic and the generic FTP's only have Fentanyl in them, in a gel suspension that's released transdermally over 2-3 days.

Only Sandoz and Watson have the gelTeva, Mylan and even the brand Duragesic (new type) are all the plastic polymer

mixing them i wouldn't suggest... but fentanyl will over power bueprinophrine and you can obtain a HIGH

Not really. the gel is too thick. Any needle that you would want to use would have to be way large of a gauge to suck up the gel and I haven't read anyway to break up the gel that is user friendly

It depends entirely on the patient, length of use, and overall dosage of the patch. In general, the longer you've used it, the longer it will take you to wean yourself off of it, unless you're...