However, if abused by crushing and snorting or injecting, it can suppress breathing and cause dizziness, confusion, unconsciousness and death.
Subutex, the brand name for buprenorphine, is taken as a tablet placed under the tongue and allowed to dissolve.
The brand Suboxone is a combination of buprenorphine and naloxone, an opioid antagonist. Antagonists block the opiate receptors in the brain, keeping the narcotic from creating the high abusers crave.
Source Article from http://www.cnn.com/2016/06/02/health/prince-death-opioid-overdose/