Urinalysis, which measures different parts of urine to
help detect a UTI.
Urine culture, which identifies the
bacteria that are causing a UTI.
If the doctor suspects that your child has a UTI, a
urinalysis will help point to a diagnosis. A urine culture can confirm the
diagnosis and identify what is causing the infection. But the results usually
are not available for a couple of days. Rather than delay treatment to wait
for the results of the urine culture, the doctor probably will start your child
antibiotics if your child's symptoms, history, and
urinalysis show that a UTI is likely.
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Cystourethrogram, also called a voiding cystourethrogram (VCUG). This is an X-ray test that takes pictures of your child's bladder and urethra
If an ultrasound shows problems, then a VCUG may be done. VCUG
can identify vesicoureteral reflux, abnormalities of the
urinary tract, and other conditions that may make your
child more prone to kidney infections. If the test finds any of these
conditions, the doctor can watch and give preventive treatment, if needed, to
The doctor may do a
kidney scan (renal scintigram) to evaluate persistent
kidney infection or to evaluate kidney scarring or damage caused by previous