These are different brand formulations of buprenorphine-based medication, and the differences between them matter for specific situations.
Suboxone (buprenorphine + naloxone)
The most commonly prescribed formulation. Combines buprenorphine with a small amount of naloxone, which has no effect when taken as directed (dissolved under the tongue) but is designed to trigger withdrawal if the medication is dissolved and injected instead — a deterrent against misuse by injection.
Subutex (buprenorphine only, no naloxone)
Typically reserved for specific situations — most notably pregnancy, where some prescribers prefer to avoid the added naloxone component, though practice varies and Suboxone is also used in pregnancy by many providers. Also sometimes used for people who have a documented reaction to the naloxone component itself, which is uncommon.
Zubsolv
A buprenorphine-naloxone combination like Suboxone, but formulated differently — it dissolves faster and some people find the taste more tolerable. The active medication is functionally similar; the practical differences are mostly about dissolution speed, taste, and dosing increments available.
Which one is right for you
For most people, this comes down to prescriber preference, insurance formulary coverage (which brand your insurance covers at the lowest cost), and personal tolerance for taste and dissolution time — not a significant difference in core effectiveness for most patients. Pregnancy and any documented naloxone sensitivity are the clearest cases where the choice matters clinically rather than just practically.
A note on generics
Generic buprenorphine-naloxone is widely available and significantly cheaper than brand-name Suboxone, with the same active medication — worth asking your pharmacist or prescriber about specifically if cost is a concern. cost estimator tool
Medically reviewed by [pending]. Sources: FDA prescribing information for each formulation.