Cefquinome Sulfate is an antibacterial used in the treatment of infections caused by pathogens such as S. aureus, E. coli, Streptococcus, P. multocida and A. pleuropneumoniae.
Cefquinome Sulfate (CS) is a fourth-generation cephalosporin, which has been developed solely for veterinary use[3]. Cefquinome inhibited members of the Enterobacteriaceae at less than or equal to 0.5 microgram/ml for Escherichia coli, Klebsiella pneumoniae, K. oxytoca, Citrobacter diversus, Salmonella Shigella, Proteus mirabilis, Morganella, and Providencia. Overall, the in vitro activity of cefquinome was comparable with aminothiazolyl cephalosporins. It inhibited some Enterobacter and Citrobacter freundii resistant to ceftazidime as did cefpirome and cefepime[4]. Cefquinome (88.8mg cefquinome sulphate per 8mL) was administered by the intramammary route to all quarters and/or "systemically" via the perfusion fluid at concentrations similar to those measured in plasma following intramuscular administration of 1mg cefquinome per kg body weight. For the treatment of acute mastitis a combination of both intramammary and systemic administration is likely to be advantageous in order to rapidly produce maximum cefquinome concentrations in all regions of the udder[5]. Lower doses of cefquinome can be administered as aerosols providing high local drug concentrations in lung, but additional optimization of formulation is needed to improve distribution and persistence in lung[6].
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