Hypercalcemia and calcium oxalate urolithiasis in cats: a report of five cases.

Five cats that presented for signs of lower urinary tract disease (i.e., pollakiuria and hematuria) secondary to a calcium oxalate urolithiasis are presented. On evaluation, all five cats had elevations of both serum ionized as well as total serum calcium. The hypercalcemia resolved after discontinuation of urinary acidifying therapy or a dietary change, or both.

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