| Naloxone | ๐บ๐ธUnited States | 0.02MG/ML, 0.4MG/ML | injectable | Marketed | Wyeth Ayerst |
| Naloxone HCL | ๐บ๐ธUnited States | 0.02MG/ML, 0.4MG/ML, 1MG/ML | Injectable | Not marketed | Quad Pharms |
| Naloxone Hydrochloride | ๐บ๐ธUnited States | 4MG/SPRAY | spray, metered | Marketed | Amneal |
| Naloxone Hydrochloride | ๐บ๐ธUnited States | 0.02MG/ML, 0.4MG/ML, 1MG/ML | injectable | Marketed | Mylan Institutional |
| Naloxone Hydrochloride and Pentazocine HydrochlorideCombination | ๐บ๐ธUnited States | 0.5MG BASE; 50MG BASE | tablet | Marketed | Watson Labs |
| Naloxone Hydrochloride | ๐บ๐ธUnited States | 8MG/SPRAY | spray | Not marketed | Padagis Israel |
| Naloxone Hydrochloride (Autoinjector) | ๐บ๐ธUnited States | 10MG/0.4ML | solution | Not marketed | Kaleo INC |
| Buprenorphine Hydrochloride and Naloxone HydrochlorideCombination | ๐บ๐ธUnited States | 12MG BASE; 3MG BASE, 2MG BASE; 0.5MG BASE, 4MG BASE; 1MG BASE โฆ | film | Marketed | Difgen Pharms |
| Buprenorphine Hydrochloride and Naloxone HydrochlorideCombination | ๐บ๐ธUnited States | 0.7MG BASE; 0.18MG BASE, 1.4MG BASE; 0.36MG BASE, 11.4MG BASE; 2.9MG BASE โฆ | tablet | Marketed | Hikma |
| Narcan | ๐บ๐ธUnited States | 2MG/SPRAY **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 4MG/SPRAY | spray, metered | Marketed | Emergent |
| Rezenopy | ๐บ๐ธUnited States | 10MG/SPRAY | spray | Marketed | Scienture |
| Rivive | ๐บ๐ธUnited States | 3MG/SPRAY | spray, metered | Marketed | Harm Reduction Therp |
| Zimhi | ๐บ๐ธUnited States | 5MG/0.5ML | solution | Marketed | Zmi Pharma |
| Kloxxado | ๐บ๐ธUnited States | 4MG/SPRAY, 8MG/SPRAY | spray | Marketed | Hikma |
| Rextovy | ๐บ๐ธUnited States | 4MG/SPRAY | spray, metered | Marketed | Amphastar Pharms INC |
| Narcan | ๐บ๐ธUnited States | 0.02MG/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 0.4MG/ML, 0.4MG/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** โฆ | injectable | Not marketed | Adapt |
| Talwin NXCombination | ๐บ๐ธUnited States | 0.5MG BASE; 50MG BASE **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | tablet | Not marketed | Sanofi Aventis US |
| Evzio | ๐บ๐ธUnited States | 0.4MG/0.4ML | solution | Not marketed | Kaleo INC |
| Evzio (Autoinjector) | ๐บ๐ธUnited States | 2MG/0.4ML | solution | Not marketed | Kaleo INC |
| TarginiqCombination | ๐บ๐ธUnited States | 10MG; 20MG, 20MG; 40MG, 5MG; 10MG | tablet, extended release | Not marketed | Purdue Pharma LP |
| SuboxoneCombination | ๐บ๐ธUnited States | 12MG BASE; 3MG BASE, 2MG BASE; 0.5MG BASE, 4MG BASE; 1MG BASE โฆ | film | Marketed | Indivior |
| Buprenorphine Hydrochloride; Naloxone HydrochlorideCombination | ๐บ๐ธUnited States | 8MG BASE; 2MG BASE | film | Tentative approval | Actavis Labs Ut INC |
| SuboxoneCombination | ๐บ๐ธUnited States | 2MG BASE; 0.5MG BASE **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 8MG BASE; 2MG BASE **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | tablet | Not marketed | Indivior |
| ZubsolvCombination | ๐บ๐ธUnited States | 0.7MG BASE; 0.18MG BASE, 1.4MG BASE; 0.36MG BASE, 11.4MG BASE; 2.9MG BASE โฆ | tablet | Marketed | Edenbridge Pharms |
| BunavailCombination | ๐บ๐ธUnited States | 2.1MG BASE; 0.3MG BASE, 4.2MG BASE; 0.7MG BASE, 6.3MG BASE; 1MG BASE | film | Not marketed | Bdsi |
