| Antibiotics | MICs (μg/mL)a with GSH indicated concentrations | |||
| none | 1 mM | 6 mM | 12 mM | |
| Aztreonam | ≥256 | ≥256 | 128 | 8 |
| Carbenicillin | ≥256 | 256 | 32 | 4 |
| Ceftazidime | ≥256 | 256 | 128 | 4 |
| Meropenem | 32 | 32 | 16 | 2 |
| Methicillin | ≥256 | ≥256 | 256 | 0.25 |
| Oxacillin | ≥256 | 256 | 64 | 0.5 |
| Chloramphenicol | 8 | 4 | 1 | ≤0.25 |
| Ciprofloxacin | 32 | 32 | 16 | 0.5 |
| Gentamicin | 256 | 256 | 64 | 1 |
| Tetracycline | 32 | 32 | 4 | ≤0.25 |
| Vancomycin | 4 | 2 | 1 | ≤0.25 |
| None | +++b | +++ | +++ | ++ |