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Kidney stones are formed when salts, minerals, and other substances normally found in the urine clump together. They can be as small as grains of sand or, rarely, as large as golf balls.
For most children, passing a stone takes at least 24 to 48 hours. While the stone is travelling through the ureter, which is the tube that carries urine from the kidney to the bladder, your child will probably feel pain. The pain may be mild or very severe. Your child may also have some blood in his or her urine. As soon as the stone reaches the bladder, any intense pain should go away.
If a stone is too large to pass on its own, your child may need a medical procedure to help pass the stone.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Preventing future kidney stones
Some changes in your child's diet may help prevent kidney stones. Depending on the cause of your child's stones, your doctor may advise your child to:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor or nurse advice line if:
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Current as of: March 1, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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