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by Julie Riley, MS, RD
Acute cystitis is inflammation of the bladder. It is usually caused by an infection. There are 2 types are of acute cystitis:
Acute cystitis is most often caused by bacteria. Bacteria enter the urethra and travel into the bladder. The urethra is a tube that allows urine to pass from the bladder to the outside. Bacteria may come from the lower intestines, the rectal area, or skin. Occasionally, acute cystitis can be the result of medications or trauma.
Risk Factors TOP
Acute cystitis is more common in women. Other factors that may increase your risk of uncomplicated cystitis include:
Factors that increase your risk of complicated cystitis include:
Symptoms may include:
You will be asked about your symptoms and medical history. A physical exam will be done. Urine will be tested and cultured for the presence of bacteria.
If complicated cystitis is suspected, additional tests may be necessary. These may include imaging studies to examine the bladder.
Acute cystitis is treated with antibiotics. It is important to take all antibiotics as advised. Finish all your antibiotics even if you are feeling better.
Your doctor may also prescribe medication to reduce pain and bladder spasms.
Here are some steps you can take to keep bacteria out of your urinary tract:
National Institute of Diabetes and Digestive and Kidney Diseases
Urology Care Foundation
The Kidney Foundation of Canada
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Uncomplicated urinary tract infection (UTI) (pyelonephritis and cystitis). DynaMed Plus website. Available at: https://www.dynamed.com/topics/dmp~AN~T116894/Uncomplicated-urinary-tract-infection-UTI-pyelonephritis-and-cystitis. Updated March 15, 2017. Accessed November 30, 2017.
What I need to know about urinary tract infections. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at:
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Updated September 2013. Accessed March 3, 2016.
5/6/2011 DynaMed's Systematic Literature Surveillance http://www.dynamed...: Barbosa-Cesnik C, Brown MB, et al. Cranberry juice fails to prevent recurrent urinary tract infection: Results from a randomized placebo-controlled trial. Clin Infect Dis. 2011;52(1):23-30.
Last reviewed March 2017 by EBSCO Medical Review Board Adrienne Carmack, MD
Last Updated: 5/30/2014
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