Table 1 Types, groups, and prioritization of antimicrobials classified as critically important in human and veterinary medicine
Antimicrobial agents | Disk concentration | Antimicrobial class | Medical importance | Prioritization criterion |
|---|---|---|---|---|
Amikacin | 30 μg | Aminoglycosides | High priority critically important | P2 and P3 |
Amoxicillin/ clavulanic acid | 30 μg | Penicillins | Highest priority critically important | P2 and P3 |
Ampicillin | 10 μg | Penicillins | Highest priority critically important | P2 and P3 |
Cephradine | 10 μg | Cephalosporins | Highly important | NA |
Chloramphenicol | 15 μg | Amphenicols | Highly important | NA |
Clindamycin | 20 μg | Lincosamides | Highly important | NA |
Doxycycline | 20 μg | Tetracyclines | Highly important | NA |
Erythromycin | 20 μg | Macrolides and ketolides | Highest priority critically important | P1, P2 and P3 |
Nalidixic acid | 30 μg | Quinolones | Highest priority critically important | P1, P2 and P3 |
Norocillin | 10 μg | Penicillins | High priority critically important | P2 and P3 |
Oxytetracyclin | 20 μg | Tetracyclines | Highly important | NA |
Penicillin G | 10 μg | Penicillins | High priority critically important | P2 and P3 |
Streptomycin | 5 μg | Aminoglycosides | High priority critically important | P2 and P3 |