Conditions InDepth: Urinary Tract Infection (UTI)
by Michael Jubinville, MPH
The urinary tract is a system of organs. Wastes are filtered from the blood to make urine. It moves through the tract until it passes from the body.
The urinary system is made up of:
A UTI can happen in any of these structures.
A UTI happens when bacteria on the skin, genitals, or rectal area get into the urethra. Once there, they grow and spread. A UTI can also be caused by:
Many types of bacteria can cause a UTI. Rarely, they can be caused by fungi. In children, they can be caused by viruses.
Bacterial urinary tract infections (UTIs). Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/genitourinary-disorders/urinary-tract-infections-utis/bacterial-urinary-tract-infections-utis. Updated June 2018. Accessed September 20, 2018.
Definition & facts. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/urologic-diseases/bladder-infection-uti-in-adults/definition-facts. Updated March 2017. Accessed September 20, 2018.
Uncomplicated urinary tract infection (UTI) (pyelonephritis and cystitis). EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated June 4, 2018. Accessed September 20, 2018.
Urinary tract infections in adults. Urology Care Foundation website. Available at: https://www.urologyhealth.org/urologic-conditions/urinary-tract-infections-in-adults. Accessed September 20, 2018.
Last reviewed September 2018 by EBSCO Medical Review Board Adrienne Carmack, MD
Last Updated: 9/20/2018
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