Do you have hepatitis A, B, and C?
If you do you should discuss the effects of any medication on your other health conditions with your doctor.
I did find this about subutux at livertox.nih.gov
Hepatotoxicity
Buprenorphine therapy has not been associated with serum enzyme elevations during treatment, although the populations studied (opioid addiction) often have coexisting chronic liver diseases which complicate such assessments.