Table 1.
Antibiotics used in the study along with their class and mode of antibacterial action
| S. No. | Antibiotic (Disc Code) | Standard Concentration (µg/ml) |
Antimicrobial Class | Activity |
|---|---|---|---|---|
| 1 | Ciprofloxacin (CIP) | 5 | Quinolones | DNA Replication Inhibitors |
| 2 | Norfloxacin (NX) | 10 | ||
| 3 | Gatifloxacin (GAT) | 5 | ||
| 4 | Moxifloxacin (MO) | 5 | ||
| 5 | Nalidixic acid (NA) | 30 | ||
| 6 | Gentamycin (GEN) | 10 | Aminoglycosides | Inhibitors of protein synthesis |
| 7 | Tobramycin (TOB) | 10 | ||
| 8 | Kanamycin (K) | 30 | ||
| 9 | Clindamycin (CD) | 2 | Lincosamides | |
| 10 | Azithromycin (AZM) | 15 | Macrolides | |
| 11 | Erythromycin (E) | 15 | ||
| 12 | Tetracycline (TE) | 30 | Tetracyclines | |
| 13 | Fusidic acid (FC) | 10 | Fusidane | |
| 14 | Tigecycline (TGC) | 15 | Glycylcyclines | |
| 15 | Methicillin (MET) | 5 | β-Lactams | Inhibitors of cell wall synthesis |
| 16 | Penicillin G (P) | 10 | Penicillins | |
| 17 | Amoxiclav (Amoxicillin-clavulanate) (AMC) | 30 | ||
| 18 | Imipenem (IPM) | 10 | Carbapenems | |
| 19 | Meropenem (MRP) | 10 | ||
| 20 | Vancomycin (VA) | 30 | Glycopeptides | |
| 21 | Teicoplanin (TEI) | 30 | ||
| 22 | Cefoxitin (CX) | 30 | Cephalosporins | |
| 23 | Cefmetazole (CMZ) | 30 | 2nd generation Cephalosporins | |
| 24 | Ceftazidime (CAZ) | 30 | 3rd generation Cephalosporins | |
| 25 | Polymyxin B (PB) | 300 | Polymyxins | |
| 26 | Cotrimoxazole (COT) | 25 | Sulfonamides | Interfere with folic acid synthesis and other metabolic processes |
| 27 | Trimethoprim (TM) | 10 |