Buprenorphine / naloxone
"I've been on subs off an on for years my insurance recently made me switch to zubsolve and it SUCKS!!  I feel like I'm in withdrawal most of the day it has some good effects it dissolves quicker and not as constipated but as far as being better than subs no way I feel like I'm constantly craving one all day almost and if u don't take it the same time everyday your sick as hell till u do...."