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. 2017 Nov 1;57(2):273–277. doi: 10.2169/internalmedicine.9196-17

Table 2.

Drug Susceptibility.

Classification generic name Abbreviation Sensitivity
Penicillin ampicillin ABPC S
amoxicillin / clavulanate AMPC/CVA S
Cephem ceftriaxone CTRX S
cefotaxime CTX S
Carbapenem imipenem / cilastatin IPM/CS S
meropenem MEPM S
Macrolide azithromycin AZM S
Tetracycline tetracycline TC S
Fluoroquinolone ofloxacin OFLX S
ciprofloxacin CPFX S
Chloramphenicol chloramphenicol CP S
Antitubercular rifampicin RFP S
ST sulfamethoxazole / trimethoprim ST R

Defined as "susceptible : S", "intermediate : I" or "resistance : R" based on the Clinical and Laboratory Standards Institute M100-S23 (criteria for Haemophilus influenzae).