Pathogen–antibiotic combinations included in the Drug Resistance Index
| Acinetobacter baumannii | Aminoglycosides. Cephalosporins (third generation). Fluoroquinolones. Carbapenems. |
| Enterococcus faecalis | Aminopenicillins. Aminoglycosides (high-level). Vancomycin. |
| Enterococcus faecium | Aminopenicillins. Aminoglycosides (high-level). Vancomycin. |
| Escherichia coli | Aminoglycosides. Aminopenicillins. Carbapenems. Cephalosporins (third generation). Fluoroquinolones. |
| Klebsiella pneumoniae | Aminoglycosides. Carbapenems. Cephalosporins (third generation). Fluoroquinolones. |
| Pseudomonas aeruginosa | Aminoglycosides. Carbapenems. Cephalosporins (third generation). Fluoroquinolones. Piperacillin-tazobactam. |
| Staphylococcus aureus | Oxacillin/Cefoxitin (methicillin-resistant S. aureus). |