Illustration of kidney stones in the calyces and ureter

A kidney stone is a solid piece of material that forms in the kidney from substances in the urine. It may be as small as a grain of sand or as large as a pearl. Most kidney stones pass out of the body without help from a doctor. But sometimes a stone will not go away. It may get stuck in the urinary tract, block the flow of urine and cause great pain.

The following may be signs of kidney stones that need a doctor's help:

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Results 1 - 10 of 491 for kidney stones
  1. Kidney Stones (National Library of Medicine)  
    A kidney stone is a solid piece of material that forms in the kidney from substances in the urine. It ... sand or as large as a pearl. Most kidney stones pass out of the body without help from ...
  2. Kidney Stones in Adults From the National Institutes of Health (National Institute of Diabetes and Digestive and Kidney Diseases)  
    ... Disease Organizations​​ . (PDF, 345 KB) Alternate Language URL Kidney Stones in Adults Page Content On this page: What ... Research For More Information Acknowledgments What is a kidney stone? A kidney stone is a solid piece of ...
  3. What I Need to Know about Kidney Stones Easy-to-Read From the National Institutes of Health (National Institute of Diabetes and Digestive and Kidney Diseases)  
    ... URL Español What I need to know about Kidney Stones Page Content On this page: What is a ... Guide For More Information Acknowledgments What is a kidney stone? A kidney * stone is a solid piece of ...
  4. Diet for Kidney Stone Prevention From the National Institutes of Health (National Institute of Diabetes and Digestive and Kidney Diseases)  
    ... PDF, 345 KB) Alternate Language URL Diet for Kidney Stone Prevention Page Content On this page: How does ... How does diet affect the risk of developing kidney stones? Kidney stones can form when substances in the ...
  5. Kidney Stones in Children From the National Institutes of Health (National Kidney and Urologic Diseases Information Clearinghouse)  
    ... Disease Organizations​​ . (PDF, 345 KB) Alternate Language URL Kidney Stones in Children Page Content On this page: What ... Research For More Information Acknowledgments What is a kidney stone? A kidney stone is a solid piece of ...
  6. Lowering the Chance of Getting Another Calcium Kidney Stone (Agency for Healthcare Research and Quality)  
    ... 2013 Lowering the Chance of Getting Another Calcium Kidney Stone Formats View PDF (PDF) 421 kB Download Audio ( ... this Web page. Understanding Your Condition What are kidney stones? Kidney stones are hard pebbles that form inside ...
  7. Diet and Kidney Stones (National Kidney Foundation)  
    ... Contact Us You are here Home » Diet and Kidney Stones If you have kidney stones, you may need ... necessary changes in your diet. What is a kidney stone? A kidney stone is a hard mass that ...
  8. Kidney Stones in Children and Teens (American Academy of Pediatrics)  
    ... Issues Listen Español Text Size Email Print Share Kidney Stones in Children and Teens Article Body ​Kidney stones ... teen girls having the highest incidence. Types of Kidney Stones There are many different types of kidney stones ...
  9. Kidney Stones (For Parents) (Nemours Foundation)  
    ... remove the stones from their urinary tracts. How Kidney Stones Form It's the kidneys' job to remove excess ... grow to become kidney stones. Continue Types of Kidney Stones Different substances in the urine can cause different ...
  10. Do You Have Symptoms of a Kidney Stone? (National Kidney Foundation)  
    ... here Home » Do You Have Symptoms of a Kidney Stone? Some kidney stones are as small as a grain of sand. ... urine that smells bad or looks cloudy The kidney stone starts to hurt when it causes irritation or ...
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