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Table 1 Antibiotics for treating patients with intra-abdominal infections based upon susceptibility. Use local antibiogram data for choosing optimal antibiotics in target population

From: Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA)

Antibiotic

Enterococci

Ampicillin-resistant enterococci

Vancomycin-resistant enterococci

Enterobacteriaceae

ESBL-producing Enterobactericeae

Pseudomonas aeruginosa

Anaerobic Gram-negative bacilli

Penicillins/Beta-lactamase Inhibitors

 Amoxicillin/clavulanate

+

+

+

 Ampicillin/Sulbactam

+

+

+/−

 Piperacillin/tazobactam

+

+

+/−

+

+

Carbapenems

 Ertapenem

+

+

+

 Imipenem/cilastatin

+/−a

+

+

+

+

 Meropenem

+

+

+

+

 Doripenem

+

+

+

+

Fluoroquinolones

 Ciprofloxacin

+

+b

 Levofloxacin

+/−

+

+/−

 Moxifloxacin

+/−

+

+/−

Cephalosporins

 Ceftriaxone

+

 Ceftazidime

+

+

 Cefepime

+

+/−

+

 Ceftolozane/tazobactam

+

+

+

 Ceftazidime/avibactam

+

+

+

Aminoglycosides

 Amikacin

c

c

c

+

+

+

 

 Gentamicin

c

c

c

+

+

+

Glycylcyclines

 Tigecycline

+

+

+

+d

+

+

5-nitroimidazole

 Metronidazole

+

Polymyxin

 Colistimethate (Colistin)

+e

+

+

Glycopeptides

 Teicoplanin

+

+

 Vancomycin

+

+

Oxazolidines

 Linezolid

+

+

+

  1. a“Imipenem/cilastatin” is more active against ampicillin-susceptible enterococci than ertapenem, meropenem and doripenem
  2. bCiprofloxacin is more active against Pseudomonas aeruginosa than levofloxacin
  3. cActive in synergy with other agents
  4. dNot active against Proteus, Morganella and Providencia
  5. eNot active against Morganella, Proteus, Providencia and Serratia