Urine contains many dissolved minerals and salts. When the urine has high levels of minerals and salts, hard stones can form. These stones can be “silent” (no symptoms) or very painful. Kids can have kidney stones too.
Kidney stones in kids can be a result of:
Not drinking enough water - especially at school where bathroom breaks may be limited, or kids may not feel comfortable using the bathroom at school.
Not enough movement - when children can’t move for an extended period of time, the chances of them getting a kidney stone are higher. When children aren’t moving, like being in a cast after surgery, their bones may release extra calcium into the blood.
Family history – as it may increase the chances of getting a kidney stone.
Stones in the kidney may not cause any symptoms. However, if a stone blocks the flow of urine out of the kidney, it can cause a lot of pain. Symptoms of stones in children can include:
A sharp, cramping pain in the back and side, often moving to the lower abdomen or groin
An intense need to pass urine, or needing to pass urine more often
A burning feeling while passing urine
Urine that is dark or red due to blood
Irritability, especially in young children
The pain of a kidney stone may last for a short or long time, or may come and go in waves. Along with pain, a child may have nausea, vomiting, fever or chills.
A child should see a doctor right away when any of these symptoms occur. These symptoms can be caused by a kidney stone or a more serious condition.
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