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Candiduria.

Carol A Kauffman1

  • 1Division of Infectious Diseases, University of Michigan Medical School, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA. ckauff@umich.edu

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|August 19, 2005
PubMed
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Candiduria, or yeast in urine, is common but often colonization, not infection. Reliable tests are lacking to differentiate, complicating treatment decisions for this frequent finding.

Area of Science:

  • Urology
  • Infectious Diseases
  • Mycology

Background:

  • Candiduria, the presence of yeast in urine, is a frequent clinical observation.
  • It can result from urine contamination, bladder colonization, or urinary tract infections (UTIs) via retrograde or hematogenous spread.
  • The majority of patients with candiduria remain asymptomatic.

Purpose of the Study:

  • To review the current understanding of candiduria.
  • To highlight the challenges in differentiating between yeast colonization and true infection.
  • To discuss the limitations of existing treatment guidelines.

Main Methods:

  • Review of existing literature and clinical guidelines.
  • Analysis of the diagnostic challenges in candiduria.

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  • Evaluation of the basis for current treatment recommendations.

    • Main Results:

    • Most candiduria cases represent asymptomatic colonization rather than infection.
    • Complications from candiduria are infrequent, with candidemia being rare in asymptomatic cases without urinary tract obstruction or instrumentation.
    • No definitive diagnostic tests exist to reliably distinguish between infection and colonization.
    • Current treatment guidelines are largely based on expert opinion and anecdotal evidence, not robust clinical trials.

    Conclusions:

    • Distinguishing between yeast colonization and infection in candiduria remains a significant clinical challenge.
    • The lack of reliable diagnostic methods hinders the development of evidence-based treatment strategies.
    • Further research is needed to develop diagnostic tools to guide appropriate management of candiduria.