Metal complexes of ciprofloxacin were synthesized to study the effect of the drug on the metals present in the body or metals co-administered as multivitamin therapy.These complexes were then characterized by IR,UV,1H NMR,CHN and AA analyses.It was found that the metals coordinated through the β-keto carboxylic group,forming four coordinated complexes having square planar geometry.The effect of the antibacterial activity of these complexes with respect to parent drug was also studied against 14 different Gram + ve and Gram-ve organisms by the disk susceptibility technique.Some complexes showed improve activity as compared with the stated drug.