Antibiotics

Theaverage diameters of the inhibition zones (mm)

Antibiotic

Symbol

Disc Concentration

(µg/disc)

Resistant

(R)≤

Intermediate

)I(

Sensitive

(S)≥

Ampicllin

AMP

10

13

14 - 16

17

Cefotaxime

CTX

30

14

15 - 22

23

Chloramphenicol

CHL

30

12

15 - 17

18

Tetracycline

TE

30

12

13 - 18

18

Vancomycin

VA

30

14

15 - 16

17

Gentamycin

CN

10

12

13 - 14

15