Asymptomatic Bacteriuria (ASB)

Definition and Notes

Bacteria present in a urine culture without signs or symptoms of a urinary tract infection (UTI)

Many people, especially the elderly and those with indwelling urethral or suprapubic catheters, will have asymptomatic carriage of bacteria in the urinary tract

Antimicrobial treatment is not recommended

  • Exceptions: pregnancy and patients scheduled to undergo urological procedures in which mucosal trauma is expected

More Information

  1. Nicolle LE, Bradley S, Colgan R, Rice JC, Schaeffer A, et al. Infectious Diseases Society of America Guidelines for the Diagnosis and Treatment of Asymptomatic Bacteriuria in Adults. Clin Infect Dis; 2005;40:643-54.
  2. AMMI Canada. Symptom-Free Pee: Let It Be. Accessed on-line 07/2018
  3. Reproductive Care Program of Nova Scotia
  4. Coussement J, et al. Scemla A, Abramowicz D, Nagler EV, Webster AC. Antibiotics for asymptomatic bacteriuria in kidney transplant recipients. Cochrane Database Syst Rev. 2018 Feb 1;2:CD011357
Terms of Use | Feedback
© Copyright 2021 Spectrum Mobile Health Inc., dba Firstline Clinical. All rights reserved.