Updated September 25, 2026. Fact-checked against veterinary sources; review by a licensed veterinarian is in progress. See our editorial policy.
Quick answer: Urinary diets for dogs are designed to prevent or dissolve bladder stones by adjusting minerals and urine concentration. The right diet depends on the type of stone: struvite, calcium oxalate, urate, and cystine stones each need a different approach. A dog with urinary problems needs a vet diagnosis before starting a urinary diet, and prescription diets are more targeted than over-the-counter “urinary health” foods.
Which dogs may need one
- Dogs with bladder stones or crystals
- Dogs with a history of stones
- Breeds prone to specific stones (for example, urate stones in Dalmatians)
Stone types
- Struvite: often linked to infection. Many can be dissolved with a prescription diet plus antibiotics
- Calcium oxalate: can’t be dissolved. Diet helps prevent recurrence
- Urate and cystine: need specific low-purine or other targeted diets, sometimes medication
Tips
- Feed only the recommended diet, without other foods mixed in
- Encourage water: wet food, water added to kibble, several bowls
- Frequent bathroom breaks
- Follow-up urine tests and X-rays
More: diet and urinary health in dogs.
Sources
- Lulich JP, et al. ACVIM small animal consensus recommendations on the treatment and prevention of uroliths in dogs and cats. J Vet Intern Med. 2016
- Minnesota Urolith Center: Prevention recommendations
- WSAVA Global Nutrition Committee: Guidelines on selecting pet foods
This article is for general education and is not a substitute for care from your own veterinarian. Learn about The Pet Vet and our editorial policy.