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Uric Acid Stone

A kidney stone associated with hyperuricemia.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Üroloji department. Book Appointment →

What is Uric Acid Stone?

Uric acid stones account for approximately 5-10% of kidney stones. They form from the deposition of uric acid crystals, with low urinary pH (<5.5) being the most important etiologic factor.

Hyperuricemia, gout, metabolic syndrome, diabetes, obesity, and chronic diarrhea predispose to uric acid stone formation. A high-purine diet (meat, seafood, alcohol) increases stone formation.

Because they are radiolucent on plain radiographs, diagnosis is made with CT or ultrasound. An important feature is that they can dissolve with urinary alkalinization (potassium citrate). Therefore, medical therapy is often sufficient.

Symptoms

Severe flank pain
Hematuria
Frequent urination
Burning during urination
Nausea and vomiting
Lower abdominal pain
Fever (if infection is present)

Risk Factors

Gout
Metabolic syndrome
Obesity
Diabetes
High-purine diet
Chronic diarrhea
Chemotherapy (tumor lysis)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Renal colic episodes
  • Bloody urine
  • Recurrent stone formation
  • Gout attacks
  • Stone with fever

Treatment Methods

01
Generous fluid intake
02
Dietary modification (low-purine)
03
Alkalinization with potassium citrate
04
Allopurinol (in hyperuricemia)
05
ESWL (in selected cases)
06
Ureteroscopy
07
Regular metabolic follow-up

Which Department to Visit?

You can visit our Üroloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.