What causes relapsing urinary tract infection (UTI) in men?

Updated: Aug 27, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Chronic bacterial prostatitis is the most common cause of relapsing UTI in men, with E coli as the main causative organism (80%), but other gram-negative bacteria and enterococci may also be observed. Rare cases may be caused by yeasts (eg, Candida, Blastomyces, Histoplasma, Cryptococcus) and mycobacteria. Whether Staphylococcus epidermidis, S aureus, and diphtheroids are pathogenically significant is doubtful, and the evidence supporting a causative role for Chlamydia and Ureaplasma is not convincing. [6]


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