Kidney stones (or renal stones)
If there is a build-up of chemicals in your kidneys, tiny crystals can form. Several crystals can clump together to form a kidney stone.
Your kidneys are a filter for your body - removing waste chemicals and excess fluid from your blood by making urine. Most waste dissolves in your urine and passes from your body unnoticed.
Kidney stones may remain in your kidneys causing no symptoms. However if a stone begins to move out of your kidneys it can be painful. A large stone or a stone that becomes blocked as it is passed may cause symptoms including:
- Blood in Urine (Haematuria)
- Back pain on one or both sides
- Spasms of pain below your ribs, in your abdomen (stomach), sometimes radiating to your groin or genitals
- Frequent urination
- Burning sensation during urination
- Feeling nauseous (sick) or vomiting
If your symptoms increase you should seek medical attention. Your GP may refer you to a urologist for diagnosis and treatment of your kidney stones including endoscopic treatment.
Related tests and scans
Related treatments and procedures
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