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Prevention of urinary tract stones

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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It is important to drink plenty of fluid, especially in the summer months or a warm climate (urine output should be kept at > 3 litres per 24 hours).

Other prevention measures are directed towards the particular type of urinary tract stone:

  • calcium stones - reduce calcium intake and avoid vitamin D supplements
  • oxalate stones - reduce oxalate intake - foods with high oxalate content include chocolate, tea, nuts, beans, spinach, beetroot; reduce intake of citrus fruits (vitamin C)
  • cystine stones - high fluid intake, alkalinization of urine, D-penicillamine acts as a chelating agent
  • triple phosphate stones - antibiotics
  • uric acid stones - allopurinol, urinary alkalinization

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