SUBUTEX (buprenorphine) sublingual tablet is undoubtedly an uncoated oval white flat bevelled edged tablet, debossed with an alphanumeric term determining the item and energy on a single side. It has buprenorphine HCl, a partial agonist for the mu-opioid receptor, and it is available in two dosage strengths, 2 mg buprenorphine and eight mg buprenor