They knew that buprenorphine could help people stop using opioids, but it was much harder to start the treatment for those who used fentanyl, which lasts longer in the body. Taking buprenorphine ...

Patch testing, if performed, was not reported. In addition, 0.7% reported pruritus, and 0.5% reported an erythematous rash. [19] Several patients with ACD from a buprenorphine TTS have also been ...