Table 2.
A Panel of Commercial Antimicrobial Disc Used for Susceptibility Testing of Diarrheagenic E. coli Isolates
| Antibiotic Class | Antimicrobial Agent (Potency) |
|---|---|
| Aminoglycosides | Gentamicin (10 µg) |
| Amikacin (30 µg) | |
| Fluoroquinolones | Norfloxacin (10 µg) |
| Carbapenems | Imipenem (10 µg) |
| Meropenem (10 µg) | |
| Polymyxins | Polymyxin B (300 units) |
| Penicillins | Penicillin G (10 µg) |
| Ampicillin (10 µg) | |
| Amoxicillin (10 µg) | |
| Macrolides | Erythromycin (15 µg) |
| Cephems | Ceftazidime (30 µg) |
| Cefotaxime (30 µg) | |
| Cephalothin (30 µg) | |
| Phenicols | Chloramphenicol (30 µg) |
| Nitrofurantoin | Nitrofurantoin (200 µg) |
| Foliate Pathways | Trimethoprim-sulfamethoxazole (25 µg) |
| Quinolones | Nalidixic Acid (30 µg) |
| Tetracyclines | Tetracycline (30 µg) |
| Doxycycline (30 µg) |