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What Are the Causes of UTI in Men?

Urinary tract infections (UTIs) are always caused by a foreign pathogen, usually bacteria but sometimes viruses or fungi. There are factors that can put men at higher risk of developing a UTI.

  1. Pathogens

    • According to Johns Hopkins University, the E. coli bacterium is the most frequent cause of UTIs, and can enter the urinary tract because of a health problem or poor hygiene. Less common UTI pathogens include P. aeruginosa, salmonella, adenovirus and others. Some UTI pathogens, like chlamydia, can be sexually transmitted.

    Prostatitis

    • Prostatitis is an inflammation of the prostate gland, which surrounds the urethra. This can slow the flow of urine and cause infection.

    Kidney or Bladder Stones

    • Mineral precipitates ("stones") in the kidneys, ureters or bladder can cause UTIs by causing a backup of urine and fostering bacterial growth.

    Catheterization

    • The insertion of a urinary catheter, usually during surgery or hospitalization, can provide an avenue that allows bacteria to enter the urinary tract from outside.

    Anatomical Issues

    • Especially with recurrent UTIs, doctors may investigate the possibility of structural abnormalities, such as a passage between the gastrointestinal and urinary tracts, which lead to a UTI.

    Hygiene

    • Poor hygiene, especially when using the restroom, can encourage bacterial growth and UTI.

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