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Urolithiasis (Urinary Tract Stones) in Cats and Dogs: Stone Types, Diet, and Prevention

A complete guide to urolithiasis (urinary tract stones) in cats and dogs, the 5 main stone types (struvite, calcium oxalate, urate, cystine, silica), why certain breeds are predisposed (Schnauzer/Yorkshire/Lhasa for oxalate, Dalmatian for urate, Cocker for cystine), clinical signs (hematuria, stranguria, vocalizing at the litter box, obstruction emergency), diagnosis (urinalysis + radiograph/ultrasound + culture), treatment per type (struvite dissolution diet vs surgical oxalate), and prevention via hydration + long-term prescription diet.

19 May 2026 12 min read
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