| Compound | MIC (μg/mL) | FICa | FICIb | |
| Alone | Combination | |||
| Chloramphenicol | 8 | 0.5 | 0.063 | 0.126 |
| GSH (mM) | 20 | 1.25 | 0.063 | |
| Methicillin | 256 | 1 | 0.004 | 0.066 |
| GSH (mM) | 20 | 1.25 | 0.062 | |
| Tetracycline | 32 | 0.25 | 0.008 | 0.258 |
| GSH (mM) | 20 | 5 | 0.25 | |