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Diffusion of Antibiotics from Plasma into Prostatic Fluid

Abstract

Of nine antimicrobial agents introduced intravenously into sixteen dogs, only the basic macrolides erythromycin and oleandomycin readily crossed the prostatic epithelium into the prostatic fluid. A suitable drug for curing chronic bacterial prostatitis with bladder bacteriuria must be lipid soluble, have a pKa of 8.6 or more, and have optimal activity against Gram-negative bacteria at pH 6.6.

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WINNINGHAM, D., NEMOY, N. & STAMEY, T. Diffusion of Antibiotics from Plasma into Prostatic Fluid. Nature 219, 139–143 (1968). https://doi.org/10.1038/219139a0

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