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Definition
By Mayo Clinic staff
A urinary tract infection is an infection that begins in your urinary system. Your urinary system is composed of the kidneys, ureters, bladder and urethra. Any part of your urinary system can become infected, but most infections involve the lower urinary tract — the bladder and the urethra.
Women are at greater risk of developing a urinary tract infection than are men. A urinary tract infection limited to your bladder can be painful and annoying. However, serious consequences can occur if a urinary tract infection spreads to your kidneys.
Antibiotics are the typical treatment for a urinary tract infection. But you can take steps to reduce your chance of getting a urinary tract infection in the first place.
- Schaeffer AJ, et al. Infections of the urinary tract. In: Wein AJ, et al. Campbell-Walsh Urology. 9th ed. Philadelphia, Pa.: Saunders; 2007. http://www.mdconsult.com/das/book/body/202281144-2/0/1445/0.html. Accessed May 21, 2010.
- Urinary tract infections in adults. National Institute of Diabetes and Digestive and Kidney Diseases. http://kidney.niddk.nih.gov/kudiseases/pubs/utiadult/index.htm. Accessed May 21, 2010.
- Lentz GM. Urogynecology: Physiology of micturition, diagnosis of voiding dysfunction, and incontinence: Surgical and nonsurgical treatment. In: Katz VL, et al. Comprehensive Gynecology. 5th ed. Philadelphia, Pa.: Mosby; 2007. http://www.mdconsult.com/das/book/body/202781245-2/0/1524/0.html. Accessed May 25, 2010.
- Urinary tract infections in children. UrologyHealth.org. http://www.urologyhealth.org/pediatric/index.cfm?cat=07&topic=146. Accessed May 25, 2010.
- McPherson RA, et al. Basic examination of urine. In: McPherson RA, et al. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/202781245-4/0/1393/0.html. Accessed May 25, 2010.
- Hooton TM. Recurrent urinary tract infection in women. http://www.uptodate.com/home/index.html. Accessed May 12, 2010.
- Guay DRP. Cranberry and urinary tract infections. Drugs. 2009;69:775.
- Cranberry. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed May 26, 2010.
- Jepson RG, et al. Cranberries for preventing urinary tract infections (review). Cochrane Database of Systematic Reviews. 2008;CD001321.
- Coumadin (prescribing information). Princeton, N.J.: Bristol-Myers Squibb; 2010. http://www.coumadin.com/for_hcp.aspx. Accessed May 26, 2010.
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