Buprenorphine is not the 'generic' version of fentanyl. Fentanyl is the generic name for various brand-name medications such as Sublimaze. Buprenorphine is the

Buprenorphine is not the 'generic' version of fentanyl. Fentanyl is the generic name for various brand-name medications such as Sublimaze. Buprenorphine is the generic name for Suboxone, Butrans, etc., and is an entirely different medication used for different purposes from fentanyl.