| Piperacillin | 🇺🇸United States | 2GM BASE/VIAL, 3GM BASE/VIAL, 40GM BASE/VIAL … | injectable | Marketed | Istituto Bio Ita SPA |
| Piperacillin and TazobactamCombination | 🇺🇸United States | 12GM BASE/VIAL; 1.5GM BASE/VIAL, 2GM BASE/VIAL; 250MG BASE/VIAL, 36GM BASE/VIAL; 4.5GM BASE/VIAL … | injectable | Marketed | Apotex |
| Piperacillin and TazobactamCombination | 🇺🇸United States | 0.375G, 0.5G/1VIAL, 12GM BASE/VIAL … | injection | Marketed | Eugia Pharma |
| Piperacillina/Tazobactam QiluCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Qilu Pharma Spain S.L. |
| Piperacillina e Tazobactam TevaCombination | 🇮🇹Italy | | Polvere e solvente per soluzione iniettabile | Authorised | Teva Italia S.R.L. |
| Piperacillina/Tazobactam HikmaCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Hikma Farmaceutica (Portugal) S.A. |
| Piperacillina e Tazobactam KabiCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Fresenius Kabi Italia S.R.L. |
| Piperacillina/Tazobactam TillomedCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Tillomed Italia SRL |
| Piperacillina K24 Pharmaceuticals | 🇮🇹Italy | | Polvere e solvente per soluzione iniettabile | Authorised | K24 Pharmaceuticals S.R.L. |
| Piperacillina/Tazobactam KalceksCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | As Kalceks |
| Piperacillin/Tazobactam KabiCombination | 🇷🇸Serbia | 4g+0.5g | prašak za rastvor za infuziju | Authorised | Fresenius Kabi D.O.O. Beograd |
| Piperacillin/Tazobactam KabiCombination | 🇷🇸Serbia | 4g+0.5g | prašak za rastvor za infuziju | Authorised | Fresenius Kabi D.O.O. Beograd |
| Piperacillina e Tazobactam IbigenCombination | 🇮🇹Italy | | Polvere per soluzione iniettabile/per infusione | Authorised | Ibigen S.R.L. |
| Piperacillina e Tazobactam SandozCombination | 🇮🇹Italy | | Polvere per soluzione iniettabile/per infusione | Authorised | Sandoz S.P.A. |
| Piperacillina e Tazobactam NoridemCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Noridem Enterprises LTD |
| Piperacillina/Tazobactam Reig JofreCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Laboratorio Reig Jofre, S.A. |
| Piperacillina e Tazobactam AurobindoCombination | 🇮🇹Italy | | Polvere per soluzione iniettabile/per infusione | Authorised | Eugia Pharma (Malta) Limited |
| Piperacillin and Tazobactam and Sodium Chloride in Duplex ContainerCombination | 🇺🇸United States | 2GM BASE/VIAL; 250MG BASE/VIAL, 3GM BASE/VIAL; 375MG BASE/VIAL, 4GM BASE/VIAL; 500MG BASE/VIAL | powder | Marketed | B Braun Medical |
| Piperacillina e Tazobactam Mylan GenericsCombination | 🇮🇹Italy | | Polvere per soluzione per infusione endovenosa | Authorised | Mylan S.P.A. |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 3 G / VIAL + 0.375 G / VIAL | Powder For Solution | Marketed | Eugia Pharma INC. |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 2 G / VIAL + 0.25 G / VIAL | Powder For Solution | Marketed | Auro Pharma INC |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 4.0 G / VIAL + 0.5 G / VIAL | Powder For Solution | Marketed | Sterimax INC |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 4 G / VIAL + 0.5 G / VIAL | Powder For Solution | Marketed | Auro Pharma INC |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 3.000 G / VIAL + 0.375 G / VIAL | Powder For Solution | Marketed | Sterimax INC |
| Piperacillin and Tazobactam for InjectionCombination | 🇨🇦Canada | 2 G / VIAL + 0.25 G / VIAL | Powder For Solution | Marketed | Eugia Pharma INC. |
