| Ampicillin Sodium | 🇺🇸États-Unis | 10GM BASE/VIAL, 125MG BASE/VIAL, 1GM BASE/VIAL … | injectable | Commercialisé | Consolidated Pharm |
| Ampicillin Trihydrate | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Commercialisé | Aurobindo Pharma |
| Ampicillin Sodium | 🇺🇸États-Unis | 1GM BASE/VIAL, 2GM BASE/VIAL | powder | Non commercialisé | Sandoz |
| Ampicillin and SulbactamAssociation | 🇺🇸États-Unis | 10GM BASE/VIAL; 5GM BASE/VIAL, 1GM BASE/VIAL; 500MG BASE/VIAL, 2GM BASE/VIAL; 1GM BASE/VIAL | injectable | Commercialisé | Eugia Pharma Speclts |
| Ampicillin Trihydrate | 🇺🇸États-Unis | 125MG BASE/5ML, 250MG BASE/5ML | for suspension | Non commercialisé | Belcher Pharms |
| Omnipen (Ampicillin) | 🇺🇸États-Unis | 250MG, 500MG | capsule | Non commercialisé | Wyeth Ayerst |
| Omnipen (Ampicillin) | 🇺🇸États-Unis | 100MG/ML, 125MG/5ML, 250MG/5ML … | for suspension | Non commercialisé | Wyeth Ayerst |
| Polycillin | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Non commercialisé | Bristol |
| Polycillin | 🇺🇸États-Unis | 100MG BASE/ML, 125MG BASE/5ML, 250MG BASE/5ML … | for suspension | Non commercialisé | Bristol |
| Polycillin | 🇺🇸États-Unis | 125MG BASE | tablet, chewable | Non commercialisé | Bristol |
| Totacillin | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Non commercialisé | Glaxosmithkline |
| Totacillin | 🇺🇸États-Unis | 125MG BASE/5ML, 250MG BASE/5ML | for suspension | Non commercialisé | Glaxosmithkline |
| Amcill | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Non commercialisé | Parke Davis |
| Amcill | 🇺🇸États-Unis | 125MG BASE/5ML, 250MG BASE/5ML | for suspension | Non commercialisé | Parke Davis |
| Polycillin-N | 🇺🇸États-Unis | 125MG BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 1GM BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 250MG BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reason | injectable | Non commercialisé | Bristol |
| Totacillin-N | 🇺🇸États-Unis | 10GM BASE/VIAL, 125MG BASE/VIAL, 1GM BASE/VIAL … | injectable | Non commercialisé | Glaxosmithkline |
| Polycillin-PRBAssociation | 🇺🇸États-Unis | 3.5GM BASE/BOT; 1GM/BOT | for suspension | Non commercialisé | Bristol |
| UnasynAssociation | 🇺🇸États-Unis | 10GM BASE/VIAL; 5GM BASE/VIAL, 1GM BASE/VIAL; 500MG BASE/VIAL, 2GM BASE/VIAL; 1GM BASE/VIAL … | injectable | Commercialisé | Pfizer |
| ProbampacinAssociation | 🇺🇸États-Unis | 3.5GM BASE/BOT; 1GM/BOT | for suspension | Non commercialisé | Cosette |
| Penbritin | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Non commercialisé | Wyeth Ayerst |
| Penbritin | 🇺🇸États-Unis | 100MG BASE/ML, 125MG BASE/5ML, 250MG BASE/5ML | for suspension | Non commercialisé | Wyeth Ayerst |
| Penbritin-S | 🇺🇸États-Unis | 125MG BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 1GM BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 250MG BASE/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reason | injectable | Non commercialisé | Wyeth Ayerst |
| Pfizerpen-A | 🇺🇸États-Unis | 125MG BASE/5ML, 250MG BASE/5ML | for suspension | Non commercialisé | Pfizer |
| Pfizerpen-A | 🇺🇸États-Unis | 250MG BASE, 500MG BASE | capsule | Non commercialisé | Pfizer |
| Omnipen-N | 🇺🇸États-Unis | 125MG BASE/VIAL, 1GM BASE/VIAL, 250MG BASE/VIAL … | injectable | Non commercialisé | Wyeth Ayerst |
