In this section
Dialysis and renal
- Anatomy of the urinary system
- Hemolytic Uremic Syndrome
- Horseshoe kidney
- Nephrotic Syndrome
- Overview of Renal Failure
- Polycystic Kidney Disease
- Prune Belly Syndrome
- Urinary Incontinence
- Urinary tract infections
- Tests & treatments
- Our specialists
- For Medical Professionals
Urinary tract infections
Urinary tract infections describe a health problem that results from a bacterial infection along the urinary tract.
Who is affected
UTI are uncommon in children younger than 3 to 5 years, but unlikely in boys at any age, unless an obstruction is present. They are much more common in girls as a result of a shorter urinary tract. Uncircumcised males are more likely to develop UTI than circumcised males. Children with a complete or partial blockage in the urinary tract are more likely to develop UTI.
Normal urine is sterile and contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi. An infection occurs when microorganisms, usually bacteria from the digestive tract, cling to the opening of the urethra, the hollow tube that carries urine from the bladder to the outside of the body, and begin to multiply.
Most infections arise from Escherichia coli (E. coli) bacteria, which normally live in the colon.
The following are the most common symptoms of UTI. However, each child may experience symptoms differently. Symptoms may include:
- Abdominal pain
- Abdominal fullness
- Foul smelling urine
- Poor growth
- Weight loss or failure to gain weight
- Poor feeding
- Urgency to urinate
- Incontinence during day and/or night
- Frequent urination
- Painful or difficult urination
- Discomfort above the pubic bone
- Blood in the urine
- Foul smelling urine
- Nausea and/or vomiting
- Pain in the back or side below the ribs
- Small amount of urine while voiding despite feeling of urgency
The symptoms of UTI may resemble other conditions or medical problems. Always consult your child's physician for a diagnosis.
Your child's physician may diagnose a urinary tract infection based on physical examination and a description of symptoms. Other studies may include a urinalysis (a laboratory examination of urine for various cells and chemicals, such as red blood cells, white blood cells, infection, or excessive protein) and culture that will detect the presence of an infection.
A boy with a UTI or girls under age 5 or 6 may require further diagnostic testing with a renal ultrasound. This is a diagnostic imaging technique that uses high-frequency sound waves and a computer to create images of blood vessels, tissues, and organs. Ultrasounds are used to view internal organs as they function, and to assess blood flow through various vessels.
A voiding cystourethrography (VCUG) may also be needed in some children to evaluate the bladder and urethra and to detect reflux (in which urine backs up to the kidneys instead of flowing out through the urethra).
Specific treatment for a urinary tract infection will be determined by your child's physician based on:
- Your child's age, overall health, and medical history
- Extent of the condition
- Your child's tolerance for specific medications, procedures, or therapies
- Expectations for the course of the condition
- Your opinion or preference
Treatment may include:
- A heating pad or medications (to relieve pain)
- Increased fluid intake (especially water)
Your child's physician may ask you to bring your child back into the office a few days after treatment starts to reevaluate your child.
For established patients with questions about their child’s care, contact the Renal and Hypertension Clinic nurse:
For established Dialysis patients with questions about their child’s care, contact the Dialysis Unit:
Request an appointment
To make an appointment for anything other than dialysis, call:
Toll-free (877) 607-5280
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To request a dialysis appointment, call:
For those needing assistance for coordinating their care with multiple sub-specialists' appointments, or for attending the PKD Clinic for the first time, please contact our Renal Clinic nurse at (414) 266-2018.