purple urine bag syndrome

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purple urine bag syndrome2016-12-26T02:01:43+00:00

purple urine bag syndrome 

purple urine bag syndrome image from New Medical Terms

purple urine bag syndrome


A rare finding in which the urine in a bag from a catheterised patient turns an intense purple hours to days after catheterisation.

Purple urine has been described in elderly women, and is linked to infection of the urine by bacteria with indoxyl phosphatase, which converts urinary indoxyl sulphate into purple coloured indirubin and indigo. 

Causative bacteria Providencia stuartiiEscherichia coli, Klebsiella pneumoniae, Morganella morganii, Proteus mirabilis, Providencia rettgeri, Pseudomonas aeruginosa

References J Clin Microbiol 1988; 26:2152



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