Table 3.

Cytotoxicity of pioglitazone and other clinically used antibiotics

Bacteria species	Pioglitazone	Amoxicillin	Cephalexin	Co-trimoxazole	Ciprofloxacin
E. coli	0	9	19	22	31
K. pneumoniae	0	0	0	0	32
S. pneumoniae	0	8	24	25	35

Notes: Amoxicillin, cephalexin, co-trimoxazole, and ciprofloxacin were used at concentrations of 10 μg/disc, 30 μg/disc, 30 μg/disc, 20 μg/disc, respectively. Data represent diameters of zone of inhibition (in mm).

Abbreviations: E. coli, Escherichia coli; S. pneumoniae, Streptococcus pneumoniae; K. pneumoniae, Klebsiella pneumoniae.