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. 2023 Jan 13;12(1):169. doi: 10.3390/antibiotics12010169

Table 2.

Antimicrobial assay discs, abbreviations, classes and amount of antibiotic contained in each disc.

Antibiotics/Abbreviation Antimicrobial Class Disc Content
Ampicillin (AMP) Β-Lactam/Penicillin 10 μg
Amoxicillin–clavulanic acid (AMC) Β-Lactam/Penicillin Combination with Beta-Lactamase Inhibitor 20/10 μg
Aztreonam (ATM) Β-Lactam/Monobactam 30 μg
Cefotaxime (CTX) Β-Lactam/Third-Generation Cephalosporin 30 μg
Ceftazidime (CAZ) Β-Lactam/Third-Generation Cephalosporin 30 μg
Cefquinome (CFQ) β-Lactam/Fourth-Generation Cephalosporin 30 μg
Ceftiofur (EFT) β-Lactam/Third-Generation Cephalosporin 30 μg
Cefoxitin (FOX) β-Lactam/Second-Generation Cephalosporin 30 μg
Imipenem (IMP) β-Lactam/Carbapenem 10 μg
Streptomycin (S10) Aminoglycoside 10μg
Ciprofloxacin (CIP) Quinolone/Fluoroquinolone 5 μg
Enrofloxacin (ENR) Quinolone/Fluoroquinolone 5 μg
Nalidixic acid (NA) Quinolone 30 μg
Nitrofurantoin (F) Nitrofuran derivative 300 μg
Chloramphenicol (C) Phenicol 30 μg
Trimethoprim–sulfamethoxazole (SXT) Sulphonamide/complex 1.25/23.75 μg
Sulphonamide (S300) Sulphonamide 300 μg
Oxytetracycline (OT) Tetracycline 30 μg