Table 1: Drug sensitivity interpretive zone of inhibition diameters.

AntibioticsDisc codePotencyZone of diameter

ErythromycinERY15 μg≥2314–22≤13
CephalothinCF30 μg≥1815–17≤14
Norfloxacinf50 μg≥1713–16≤12
Sulfamethoxazole-trimethoprimSXT-TMP300 μg≥1611–15≤10
StreptomycinS10 μg≥1512–14≤11
KanamycinKAN30 μg≥1814–17≤13
ChloramphenicolCHL30 μg≥18≤18
TetracyclineTE30 μg≥2219–21≤19
GentamicinGM10 μg≥18-≤18
AmpicillinAMP10 μg≥1512–14≤11
CiprofloxacinCIP5 μg≥20≤20
CeftriaxoneCRO30 μg≥2320–22≤19
ClindamycinCC10 μg≥2115–20≤14

Source: [14]. R: resistant; I: intermediate; S: sensitive.