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Table 2 Antibacterial effect of antibiotics alone and in combination with increasing concentrations of sertraline (SR) against E. coli 87

From: Sertraline enhances the activity of antimicrobial agents against pathogens of clinical relevance

Antibiotic

Diameter of the inhibitory zone (mm) Mean ± SEM (n = 5)

Control

Antibiotic + SR 10 μg ml -1

Antibiotic + SR 20 μg ml -1

Antibiotic + SR 40 μg ml -1

Antibiotic + SR 60 μg ml -1

Antibiotic + SR 80 μg ml -1

Antibiotic + SR 100 μg ml -1

Ciprofloxacin 5 μg

20 ± 1.41

21 ± 00

23 ± 1.41*

23.5 ± 0.70**

30 ± 0.00***

33.5 ± 2.10***

39 ± 1.41***

Levofloxacin 5 μg

18 ± 1.41

20 ± 0.50

21 ± 0.00

22 ± 0.50*

25 ± 0.00**

29 ± 0.00***

38 ± 1.41***

Norfloxacin 10 μg

17 ± 0.41

17 ± 0.00

19.50 ± 2.12

25.50 ± 0.70*

24.50 ± 0.70**

27.50 ± 0.70***

35.50 ±0.70***

Moxifloxacin 5 μg

20.5 ± 0.70

21 ± 0.12

22.50 ± 0.70

27.50 ± 0.70

27.50 ±0.70

32 ± 1.41***

40.50 ± 0.70***

Cefexime 5 μg

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

9.50 ± 0.70

13.50 ± 2.12

Cloxacillin 5 μg

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

0 ± 0.00

Gentamicin 10 μg

23 ± 2.82

24 ± 0.70

25 ± 2.82

29.5 ± 0.70*

31.50 ± 0.70**

34.50 ± 0.70**

41.50 ± 0.70***

  1. Values significantly different as compared to antibiotic treated group only: *p < 0.05, **p < 0.01, ***p < 0.001. Each value represent mean of five replicates (n = 5). Control: Antibiotic treated group only.