Abstract
The principal aim of the study was evaluating the pharmacokinetic of ceftriaxone and meropenem in dogs, eight healthy male dogs were used for this experiment. A microbiological assay was used to determine the pharmacokinetic indices of ceftriaxone and meropenem given intravenously. The values were then fitted to a two-compartment pharmacokinetic open model in order to assess the factors related to distribution and excretion. The obtained results showed that the half-life, volume of distribution, and total body clearance to the samples of plasma of ceftriaxone and meropenem were recorded (0.83 h., 0.35 L/kg and 0.28 L/hr/kg), (0.86 h., 0.48 L/kg and 0.33 L/hr/kg), and the ratio of plasma protein binding were 16.67 %; 9.58 %, respectively. In conclusion, through the pharmacokinetic characteristics of meropenem and ceftriaxone in dogs, they possess an efficacious profile against K. pneumonia as same as other sensitive bacteria which were qualified to be a potential candidate to be one of the most commonly used parenterally administered antibacterial medicines in the treatment of acute bacterial cases that need to be treated quickly in veterinary therapy. However, the differences in the pharmacokinetic profile proved that the effectiveness of meropenem was more than ceftriaxone.
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