Subutex(Buprenorphine) has been approved for opioid addiction treatment. It contains buprenorphine HCl, a partial agonist at the mu-opioid receptor. Subutex(Buprenorphine) 8mg sublingual tablet is indicated for the treatment of opioid dependence and is preferred for induction. Subutex is used as part of a complete treatment plan to include counselling and psychosocial support. .