July 17, 2019
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What are the symptoms of kidney stones?

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Kidney stones are hard deposits made of minerals and salts that form inside the kidneys and affect the urinary tract.

They form when the urine contains more crystal-forming substances (eg, calcium, oxalate and uric acid) than can be dilated by the fluid in the urine and/or when the urine does not have the substances that prevent crystals from sticking together.

The lifetime risk for kidney stones among adults in the U.S. is estimated to be 9%, with men more likely to develop them than women.

It is possible to never know one has had a kidney stone, especially if it is small and passes easily through the urinary tract. In these cases, there may be no obvious signs.

However, symptoms to keep in mind include:

  • Nausea and vomiting;
  • Severe pain below the ribs in the side or back;
  • Pain in the lower abdomen and groin;
  • Pain that fluctuates in intensity;
  • Pain when urinating;
  • Discolored urine;
  • Urinating more frequently than usual;
  • Urinating small amounts; and
  • Fever and chills.

Medical attention should be sought immediately if one experiences severe pain that is accompanied by nausea and vomiting and/or fever and chills, blood in the urine or difficulty passing urine.

Additional information can be found by searching the following websites:

http://www.kidneyfund.org/kidney-disease/kidney-problems/kidney-stones/symptoms-of-kidney-stones.html

https://www.mayoclinic.org/diseases-conditions/kidney-stones/symptoms-causes/syc-20355755