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Kidney stones, high calcium, and uric acid

Over the past ten years or so, I have suffered from more kidney stones than I can count. Fortunately, most were able to pass on their own, though they were unpleasant. A 6.5 mm stone put me in the hospital two years ago. Though I passed it naturally while in the hospital, it's an experience I never want to re-live. Last year, I had a 9mm stone broken up by lithotripsy.

My urologist has been making me do 24 hour urine collections every six months. On my last one, he said my urine calcium and uric acid levels were both through the roof and my oxalate levels were high as well. My blood work also showed uric acid levels very high. The urologist said he has no idea how I do not have gout.

I avoid all the foods that are recommended to be avoided to reduce risk of stone production, yet my numbers remain high. The urologist said he thinks this is related to my Crohn's, but I was wondering if anyone else has had a similar experience. He's considering putting me on medications to reduce the calcium and uric acid, which I really don't want to do unless I absolutely have to.