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Table 1 Antibiotic ranking

From: Antibiotic prescribing in general medical and surgical specialties: a prospective cohort study

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