Table I.

Target bacteria and antibiotics: Pathogen-drug combinations for antimicrobial susceptibility testing (AST)

Pathogen	Antibacterial agents used for AST
Enterobacteriaceae	Amikacin, cefepime, cefotaxime, cefoperazone-sulbactam, piperacillin-tazobactam, ceftazidime, chloramphenicol, ciprofloxacin, doxycycline, ertapenem, imipenem, meropenem, nitrofurantoin, norfloxacin, colistin/polymyxin B, trimethoprim-sulphamethoxazole
Salmonella Typhi and Paratyphi	Ampicillin, trimethoprim-sulphamethoxazole, ciprofloxacin, ofloxacin, chloramphenicol, ceftriaxone, cefixime
Pseudomonas aeruginosa	Ceftazidime, cefepime, ciprofloxacin, levofloxacin, gentamicin, tobramycin, amikacin, polymyxin B, netilmicin, piperacillin-tazobactam, aztreonam, imipenem, meropenem
Acinetobacter baumannii	Ceftazidime, cefepime, piperacillin/tazobactam, cefoperazone-sulbactam, levofloxacin, amikacin, tetracycline, netilmicin, imipenem, meropenem
Shigella spp., Diarrhoeagenic Escherichia coli, Salmonella spp., Vibrio spp.	Ampicillin, tetracycline, trimethoprim-sulphamethoxazole, nalidixic acid, norfloxacin, ciprofloxacin, cefixime, azithromycin, clindamycin
Staphylococcus spp.	Cefoxitin, ciprofloxacin, clindamycin, co-trimoxazole, daptomycin, erythromycin, linezolid, mupirocin high level, penicillin, tetracycline, tigecycline, vancomycin, teicoplanin
Enterococcus spp.	Ampicillin, daptomycin, gentamicin, nitrofurantoin, ciprofloxacin, teicoplanin, vancomycin, linezolid