| A | B |
|---|
| penicillin G | First-Generation Penicillins |
| penicillin G (Na, K salts) | First-Generation Penicillins |
| penicillin G benzathine | First-Generation Penicillins |
| penicillin G procaine | First-Generation Penicillins |
| penicillin V potassium K | First-Generation Penicillins |
| cloxacillin | Penicillinase-Resistant Penicillins |
| dicloxacillin | Penicillinase-Resistant Penicillins |
| methicillin | Penicillinase-Resistant Penicillins |
| nafcillin | Penicillinase-Resistant Penicillins |
| oxacillin | Penicillinase-Resistant Penicillins |
| amoxicillin | Second-Generation Pencillins |
| ampicillin | Second-Generation Pencillins |
| bacampicillin | Second-Generation Pencillins |
| cyclacillin | Second-Generation Pencillins |
| carbenicillin | Third-Generation Penicillins |
| ticarcillin | Third-Generation Penicillins |
| mezlocillin | Fourth-Generation Penicillins |
| piperacillin | Fourth-Generation Penicillins |
| amoxicillin/clavulanate | Beta-Lactamase Inhibitors |
| ampicillin/sulbactam | Beta-Lactamase Inhibitors |
| piperacillin/tazobactam | Beta-Lactamase Inhibitors |
| ticarcillin/clavulanate | Beta-Lactamase Inhibitors |
| imipenem | Penicillin-Related Antibiotics |
| aztreonam | Penicillin-Related Antibiotics |
| amikacin | Aminoglycoside Antibiotics |
| gentamicin | Aminoglycoside Antibiotics |
| kanamycin | Aminoglycoside Antibiotics |
| neomycin | Aminoglycoside Antibiotics |
| streptomycin | Aminoglycoside Antibiotics |
| tobramycin | Aminoglycoside Antibiotics |
