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Journal of the American Veterinary Medical Association

Pharmacokinetics after intravenous administration of flunixin meglumine in budgerigars (Melopsittacus undulatus) and Patagonian conures (Cyanoliseus patagonus).


PMID 23276097

Abstract

To investigate the disposition kinetics of flunixin meglumine when administered IV to budgerigars (Melopsittacus undulatus) and Patagonian conures (Cyanoliseus patagonus). Prospective cohort study. 8 adult Patagonian conures and 24 adult budgerigars. Injectable flunixin meglumine (50 mg/mL) was diluted to 10 and 1. 0 mg/mL and administered IV at a dose of 5.0 mg/kg (2.3 mg/lb) to Patagonian conures and budgerigars, respectively. In budgerigars, the elimination half-life was 0.72 hours and the mean residence time was 0.73 hours. In Patagonian conures, the elimination half-life was 0.91 hours and the mean residence time was 1.20 hours. The concentration of flunixin was below the assay's limit of quantification (0.5 μg/mL) at 3 and 6 hours in budgerigars and Patagonian conures, respectively. A single budgerigar developed adverse effects (lethargy and signs of depression) for approximately 15 minutes following drug administration. The half-life of flunixin in Patagonian conures and budgerigars was short following IV administration; however, results of this study suggested that IV administration of injectable flunixin meglumine at 5.0 mg/kg resulted in plasma concentrations that could potentially be anti-inflammatory and analgesic in budgerigars and Patagonian conures.

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