Table 1 Antibiotic ranking

Rank 1

Narrow spectrum, including first-generation and second –generation cephalosporins, amoxicillin, co-trimoxazole, metronidazole, and oral vancomycin;

Rank 2

Broad spectrum, including flouroquinolones, macrolides, third-generation cephalosporins, co-amoxiclav, clindamycin;

Rank 3

Extended spectrum, including antipseudomonal penicillins, antipseudomonal carbapenems and intravenous vancomycin;

Rank 4

Restricted, including colistin, tigecycline, linezolid, and daptomycin