Can a male partner contract a urinary tract infection (UTI) or sexually transmitted infection (STI) from having sexual intercourse with a female partner diagnosed with Klebsiella urinary tract infection (UTI)?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: April 5, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

Having sex with a woman who has a klebsiella urinary tract infection (UTI) does not typically result in you getting infected or acquiring a sexually transmitted infection (STI). Klebsiella is a bacterium that commonly causes UTIs but is not classified as an STI. The bacteria primarily affect the urinary tract and are not efficiently transmitted through sexual contact. However, in rare cases, bacteria from an infected person's urinary tract could potentially be introduced to a partner during sexual activity, especially if there is direct contact with infected urine.

Key Considerations

  • To minimize any theoretical risk, it's advisable to avoid sexual activity until the UTI has been treated with appropriate antibiotics (typically fluoroquinolones like ciprofloxacin, cephalosporins, or trimethoprim-sulfamethoxazole for 3-7 days, depending on severity) and symptoms have resolved.
  • This recommendation is mainly for the comfort of the person with the UTI, as sexual activity can be painful during an infection and might potentially delay healing.
  • The bacteria causing UTIs are typically part of the normal gut flora that have entered the urinary tract, rather than pathogens specifically adapted for sexual transmission.

Evidence-Based Guidance

According to the Centers for Disease Control and Prevention guidelines 1, patients should abstain from sexual intercourse until they and their partners are cured, which typically means completing therapy and being without symptoms or signs. While these guidelines are more general and not specific to klebsiella UTIs, they emphasize the importance of avoiding sexual activity during the treatment of infections to prevent potential transmission and ensure the comfort of the infected individual.

Preventing Transmission

  • The most effective way to prevent transmission of any infection is to avoid sexual intercourse with an infected partner 1.
  • Influencing sex partners to be evaluated and treated appropriately can prevent reinfection and reduce the spread of disease in communities 1.

From the Research

Risk of Infection

  • Having sex with a woman who has a Klebsiella UTI does not directly imply a high risk of getting infected with the same bacteria as a sexually transmitted infection (STI) 2.
  • Klebsiella pneumoniae is typically associated with urinary tract infections, and its transmission is not primarily sexual 3, 4.
  • However, it's essential to note that any bacterial infection can potentially be transmitted through sexual contact if there is an exchange of bodily fluids or direct contact with infected areas.

Transmission and Prevention

  • The primary mode of transmission for Klebsiella pneumoniae is not through sexual contact but rather through contaminated medical devices, healthcare-associated infections, or community-acquired infections 3.
  • Preventing the spread of UTIs, including those caused by Klebsiella pneumoniae, involves practicing good hygiene, safe sex, and avoiding the use of contaminated medical equipment 5.
  • The use of antibiotics, such as levofloxacin and ciprofloxacin, can be effective in treating UTIs, but their efficacy and safety should be considered in the context of antibiotic resistance 4, 6.

Antibiotic Resistance

  • The overuse of antibiotics has led to an increase in multidrug-resistant bacteria, including Klebsiella pneumoniae 3.
  • Studies have shown that the combination of multiple antibiotics may be necessary to effectively treat MDR-KPN infections 3.
  • Understanding the epidemiology and molecular characteristics of drug-resistant Klebsiella pneumoniae is crucial for developing effective treatment strategies and preventing the spread of antibiotic-resistant bacteria 3, 4.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.