Buprenorphinedrug info
buprenorphine 2 MG / naloxone 0.5 MG Sublingual Tablet
What it is used for
Buprenorphine and naloxone sublingual tablets are indicated for the maintenance treatment of opioid dependence. Buprenorphine and naloxone sublingual tablets should be used as part of a complete treatment plan that includes counseling and psychosocial support. Buprenorphine and naloxone sublingual tablet contains buprenorphine, a partial opioid agonist, and naloxone, an opioid antagonist, and is indicated for the maintenance treatment of opioid dependence. Buprenorphine and naloxone sublingual tablet should be used as part of a complete treatment plan that includes counseling and psychosocial support.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 28, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Buprenorphine and naloxone sublingual tablets, USP are a hexagonal light pink tablet, debossed with a numeric imprint on one side identifying the strength. It contains buprenorphine HCl, a mu-opioid receptor, partial agonist and a kappa-opioid receptor antagonist, and naloxone HCl dihydrate, an opioid receptor antagonist, at a ratio of 4:1 (ratio of free bases). It is intended for sublingual administration and is available in two dosage strengths, 2 mg buprenorphine with 0.5 mg naloxone and 8 mg buprenorphine with 2 mg naloxone. Each sublingual tablet also contains lactose monohydrate, mannitol, polyplasdone, povidone, acesulfame potassium, citric acid anhydrous, sodium citrate dihydrate, colloidal silicon dioxide, magnesium stearate, FD&C red #40 aluminum lake and a lemon-lime flavor. Chemically, buprenorphine HCl is (2S)-2-[17-Cyclopropylmethyl-4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3-dimethylbutan-2-ol hydrochloride. It has the following chemical structure: Buprenorphine HCl has the molecular formula C 29 H 41 NO 4
HCl and the molecular weight is 504.10. It is a white or off-white crystalline powder, sparingly soluble in water, freely soluble in methanol, soluble in alcohol, and practically insoluble in cyclohexane. Chemically, naloxone HCl dihydrate is 17-Allyl-4,5α-epoxy-3, 14-dihydroxymorphinan-6-one hydrochloride dihydrate. It has the following chemical structure: Naloxone hydrochloride dihydrate has the molecular formula C 19 H 21 NO 4
HCl
2H 2 O and the molecular weight is 399.87. It is a white to slightly off-white powder and is freely soluble in water, soluble in alcohol, and practically insoluble in toluene and ether. Buprenorphine and naloxone sublingual tablets meet USP Dissolution Test 1. Buprenorphine Chemical Structure Naloxone Chemical Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective January 28, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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