| Trimethoprim | 🇺🇸United States | 100MG, 200MG, 200MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | tablet | Marketed | Novel Labs INC |
| Trimethoprim Sulfate and Polymyxin B SulfateCombination | 🇺🇸United States | 10,000 UNITS/ML; 1MG BASE/ML | solution/drops | Marketed | Bausch and Lomb INC |
| Sulfamethoxazole and TrimethoprimCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML | suspension | Marketed | Lupin |
| Sulfamethoxazole and TrimethoprimCombination | 🇺🇸United States | 400MG; 80MG, 800MG; 160MG | tablet | Marketed | Watson Labs |
| Sulfamethoxazole and TrimethoprimCombination | 🇺🇸United States | 80MG/ML; 16MG/ML | injectable | Marketed | Abraxis Pharm |
| Sulfamethoxazole and Trimethoprim Single StrengthCombination | 🇺🇸United States | 400MG; 80MG | tablet | Not marketed | Heritage Pharma Avet |
| Sulfamethoxazole and Trimethoprim Double StrengthCombination | 🇺🇸United States | 800MG; 160MG | tablet | Not marketed | Mutual Pharm |
| Trimpex | 🇺🇸United States | 100MG | tablet | Not marketed | Roche |
| Proloprim | 🇺🇸United States | 100MG, 200MG | tablet | Not marketed | Monarch Pharms |
| Sulfamethoxazole and Trimethoprim and Phenazopyridine HydrochlorideCombination | 🇺🇸United States | 200MG,N/A,N/A; 800MG,160MG | tablet | Not marketed | Able |
| Trimpex 200 | 🇺🇸United States | 200MG | tablet | Not marketed | Roche |
| Primsol | 🇺🇸United States | 25MG BASE/5ML, 50MG BASE/5ML | solution | Not marketed | Pangea |
| SulfamethoprimCombination | 🇺🇸United States | 80MG/ML; 16MG/ML | Injectable | Not marketed | Quad Pharms |
| SulfamethoprimCombination | 🇺🇸United States | 400MG; 80MG | tablet | Not marketed | Novel Labs INC |
| Trimeth/SulfaCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML | suspension | Not marketed | Alpharma US Pharms |
| Sulfamethoprim-DSCombination | 🇺🇸United States | 800MG; 160MG | tablet | Not marketed | Novel Labs INC |
| Sulfatrim PediatricCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML | suspension | Marketed | Pharm Assoc |
| BactrimCombination | 🇺🇸United States | 400MG; 80MG | tablet | Marketed | Sun Pharm Industries |
| Bactrim DSCombination | 🇺🇸United States | 800MG; 160MG | tablet | Marketed | Sun Pharm Industries |
| SulfatrimCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML | suspension | Not marketed | Pharm Assoc |
| CotrimCombination | 🇺🇸United States | 400MG; 80MG | tablet | Not marketed | Teva |
| BactrimCombination | 🇺🇸United States | 80MG/ML; 16MG/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | injectable | Not marketed | Sun Pharm Inds INC |
| BactrimCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | suspension | Not marketed | Sun Pharm Industries |
| PolytrimCombination | 🇺🇸United States | 10,000 UNITS/ML; 1MG BASE/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | solution/drops | Not marketed | Allergan |
| SulmeprimCombination | 🇺🇸United States | 200MG/5ML; 40MG/5ML | suspension | Not marketed | Usl Pharma |