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Pediatric Nephrology - Urinary tract infection

​​​A urinary tract infection is a bacterial infection in the urinary tract. 

The urinary tract is made up of the kidneys, ureters, bladder, and urethra. Children often get UTIs that affect the bladder which can be very painful. 

In the case of a kidney infection, symptoms can include fever, back pain and vomiting. Kidney infections may require hospitalization during the initial therapy. 

Marshfield Clinic has specialists who are trained in diagnosis and treatment of urinary tract infections.


Evaluation of children with urinary tract infections includes careful investigation of voiding (urine) and stooling habits. Infants and toddlers as well as children with complications may need radiology and ultrasound studies to look for disorders such as reflux of urine from the bladder into the kidneys.


  • A urinary tract infection can be effectively treated with oral antibiotics unless a child has a high fever, vomiting or is ill appearing.
  • Over-the-counter pain relief like acetaminophen can be used to reduce pain and fever.

Dietary Habits
Your physician will likely recommend the child gets plenty of fluids to encourage urinary output.

In some children surgical correction of urinary tract disorders may be necessary. The pediatric nephrology and pediatric urology team will discuss that with you if it is necessary.​

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If this is a medical emergency, call 911.

Call: 1-866-520-2510

(Monday-Friday, 8 a.m. - 5 p.m.)

Take the Kidney Stone Quiz

Kidney stones are one of the most common problems of the urinary tract—and one of the most painful disorders. How much do you know about kidney stones? Try your hand at this quiz, based on information from the National Institute of Diabetes and Digestive and Kidney Diseases.

1. Most kidney stones pass through a person's urinary tract without any medical intervention.
2. Anyone can develop kidney stones.
3. A kidney stone forms from chemicals that the body is trying to get rid of.
4. A urinary tract infection can put you at risk for developing kidney stones.
5. The pain from a kidney stone comes on gradually, growing more and more intense.
6. Most kidney stones large enough to cause pain must be removed surgically.
7. Drinking plenty of water can help prevent the recurrence of kidney stones.
8. Some kidney stones can be removed by using shockwaves.