If you have been on subs I reckon you still have it in your system,this meaning; you should be ok to take your usual sub dose or better yet try a bit less? What is your daily suboxone regimen?
I think the real scare is for fent addicts trying to switch completely to subs..this leading to precipitated withdrawal.
You are technically already on the suboxone for a year already? You should be ok since it takes what about 2 weeks for the half life to leave your body.
I say this because I used to always play that game. Switching back because I did not want to be sick YET I also wanted to get high.