Table A.2. Categorization of antimicrobials based on importance in human medicine
| |
Category of importance in human medicine |
Antimicrobial class |
| I |
Very High Importance |
Carbapenems |
| Cephalosporins – the 3rd and 4th generations |
| Fluoroquinolones |
| Glycopeptides |
| Glycylcyclines |
| Ketolides |
| Lipopeptides |
| Monobactams |
| Nitroimidazoles (metronidazole) |
| Oxazolidinones |
| Penicillin-β-lactamase inhibitor combinations |
| Polymyxins (colistin) |
| Therapeutic agents for tuberculosis (e.g. ethambutol, isoniazid, pyrazinamide, and rifampin) |
| II |
High Importance |
Aminoglycosides (except topical agents) |
| Cephalosporins – the first and second generations (including cephamycins) |
| Fusidic acid |
| Lincosamides |
| Macrolides |
| Penicillins |
| Quinolones (except fluoroquinolones) |
| Streptogramins |
| Trimethoprim-sulfamethoxazole |
| III |
Medium Importance |
Aminocyclitols |
| Aminoglycosides (topical agents) |
| Bacitracins |
| Fosfomycin |
| Nitrofurans |
| Phenicols |
| Sulfonamides |
| Tetracyclines |
| Trimethoprim |
| IV |
Low Importance |
Flavophospholipols |
| Ionophores |