Urinary stones (uroliths) in dogs cause significant pain, obstruction risk, and require either dietary management or surgical intervention, making early detection and prevention central to welfare.
Urinary stones cause chronic welfare suffering through pain during urination, repeated urgency, and haematuria. Partial obstruction causes severe discomfort and progressive renal damage; complete obstruction is acutely life-threatening within hours. Dogs with chronic stone disease may develop aversion to normal urination postures or locations, adding psychological distress to physical pain. Dietary management — prescription urinary diets, increased water intake, and specific mineral restriction — is effective at preventing recurrence for most stone types and represents a long-term welfare maintenance strategy. Feeding appropriate stone-prevention diets after the first episode significantly reduces the high recurrence rates seen when dogs return to standard diets.