The variation of the in vitro antibacterial activity of common antibiotic generic names with different trade names for each in Iraqi local markets

الملخص EN

Thirty antibiotics belong to nineteen pharmaceutical industries found in nine countries around the world were collected from Iraqi local markets.

Antibacterial activity for each type of antibiotics manufactured in certain industry was studied to detect the difference in an effectiveness for each product toward six species of bacteria : Pseudomonas aeruginosa, Streptococcus pyogenes, Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Klebsiella pneumoniae in the method of agar disk diffusion in which the diameter of inhibition zone was measured.

The product that gave the least inhibition values was determined, then confirmation of its inactivity against the applied bacterial species was made.