Effects of urinary pH on renal interactions between probenecid and cefsulodin in rabbits.

AUTOR(ES)

Dromer, F

RESUMO

The effect of urinary pH on renal interaction of cefsulodin and probenecid was tested in rabbits. Probenecid was reabsorbed in acidic urine (fractional excretion [FE] = 8 +/- 4%) and secreted in alkaline urine (FE = 492 +/- 258%). Renal excretion of cefsulodin alone was not affected by the urinary pH (FE = ca. 100%). In acidic urine, probenecid significantly reduced tubular secretion of cefsulodin (FE = 74 +/- 8%). An inverse pattern was observed in alkaline urine (FE = 122 +/- 18%).

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