Table 1 Zones of inhibition of the tested antibiotics
Families | Antibiotics | [C]a (µg) | Ǿ b (mm) | ||
|---|---|---|---|---|---|
R (Ǿ˂) | S (Ǿ≥) | ||||
β-lactams | Aminopenicillins | Amoxicillin- clavulanic acid (AMC) | 30 | 19 | 19 |
Amoxicillin (AMX) | 25 | 19 | 19 | ||
Piperacillin (PIP) | 75 | 17 | 20 | ||
Piperacillin-tazobactam (TZP) | 100/10 | 17 | 20 | ||
Cephalosporins C3G | Ceftriaxone (CRO) | 30 | 20 | 23 | |
Cefixime (CFM) | 10 | 17 | 17 | ||
Cefotaxime (CTX) | 30 | 17 | 20 | ||
Cephalosporines C4G | Cefepime (FEP) | 30 | 21 | 24 | |
Monobactam | Aztreonam (ATM) | 30 | 21 | 24 | |
Carbapenemes | Imipenem (IPM) | 10 | 16 | 22 | |
Quinolones | Nalidixic acid (NAL) | 30 | 14 | 19 | |
Fluoroquinolones | Ciprofloxacin (CIP) | 5 | 19 | 22 | |
Cyclines | Tetracycline (TET) | 30 | 15 | 18 | |
Phenicols | Chloramphenicol (CHL) | 30 | 17 | 17 | |
Sulfamides | Trimethoprim-sulfamethoxazole (SXT) | 1.25/23.75 | 13 | 16 | |
Polymyxines | Colistin sulfate (CST) | 50 | 15 | 15 | |
Aminoglycosides | Gentamycin (GMI) | 15 (10 IU) | 14 | 17 | |
Netilmicin (NTM) | 10 | 12 | 15 | ||
Tobramycin (TMN) | 10 | 14 | 17 | ||