Antimicrobial agent | Symbol | Disc content | Zone of inhibition in millimeters (mm) with its interpretation | ||
---|---|---|---|---|---|
Susceptible | Intermediate | Resistant | |||
Ceftriaxone | CRO | 30 μg | ≥ 23 | 20–22 | ≤ 19 |
Streptomycin | S | 10 μg | ≥ 15 | 12–14 | ≤ 11 |
Tetracycline | TTC | 30 μg | ≥ 15 | 12–14 | ≤ 11 |
Gentamycin | GN | 10 μg | ≥ 15 | 13–14 | ≤ 12 |
Ciprofloxacilin | CIP | 5 μg | ≥ 21 | 16–20 | ≤ 15 |
Vancomycin | VA | 30 μg | ≥ 12 | 10–11 | ≤ 9 |
Chloramphenicol | C | 30 μg | ≥ 18 | 13–17 | ≤ 12 |
Ampicillin | AMP | 10 μg | ≥ 14 | 12–13 | ≤ 11 |