Bladder Stones in Dogs: Causes, Symptoms, and Treatment
Bladder stones in dogs are a common urological condition that can range from a minor nuisance to a life-threatening emergency. Understanding what causes bladder stones in dogs helps owners recognize risk factors and take preventive steps. Urinary stones in dogs form when minerals in the urine crystallize and accumulate over time. Bladder stones dogs develop vary in composition — struvite and calcium oxalate are the two most common types. Knowing how to get rid of bladder stones in dogs depends entirely on which type is present and how severe the obstruction has become.
What Causes Bladder Stones in Dogs
Struvite Stones
Struvite is the most common type of bladder stones dogs develop. These form in response to bacterial urinary tract infections that raise urine pH and promote mineral precipitation. Female dogs are more frequently affected. Treating the underlying infection is central to resolving struvite-related bladder stones in dogs, often allowing dissolution without surgery.
Calcium Oxalate Stones
What causes bladder stones in dogs of the calcium oxalate type is less straightforward — genetic predisposition, diet high in oxalate-containing ingredients, and hypercalcemia all play roles. Miniature Schnauzers, Yorkshire Terriers, and Bichon Frises are among the most predisposed breeds. Unlike struvite, calcium oxalate urinary stones in dogs cannot be dissolved through diet and typically require surgical or laser removal.
Urate and Cystine Stones
These less common forms of bladder stones dogs may develop are linked to metabolic disorders or breed-specific enzyme deficiencies. Dalmatians are genetically predisposed to urate stone formation due to their unique purine metabolism. Cystine stones affect certain breeds including Bulldogs and Basset Hounds.
Diagnosing and Treating Urinary Stones in Dogs
Diagnostic Methods
Urinary stones in dogs are confirmed through abdominal radiographs or ultrasound. Blood and urine analysis identifies infection, mineral imbalances, and kidney involvement. Stone composition — the key to determining how to get rid of bladder stones in dogs — is confirmed by laboratory analysis after removal or voiding.
Medical Dissolution
Struvite bladder stones in dogs often dissolve with prescription dissolution diets and antibiotic therapy over four to twelve weeks. These diets create urine conditions unfavorable to crystal formation. Regular monitoring via radiograph or ultrasound tracks progress. This non-surgical approach is highly effective when the stone type is confirmed and the dog is not obstructed.
Surgical and Minimally Invasive Removal
When medical management is not appropriate or how to get rid of bladder stones in dogs requires faster resolution, cystotomy (surgical removal) is the standard procedure. Laser lithotripsy and voiding urohydropropulsion offer less invasive alternatives for smaller stones in suitable candidates. Recovery is typically smooth when no complications arise.
Prevention and Long-Term Management
Preventing recurrence of urinary stones in dogs involves dietary management, increased water intake, and regular urinalysis every six months. Prescription diets formulated to reduce specific mineral loads are often maintained long-term. Bladder stones dogs develop tend to recur without sustained management, so ongoing monitoring is essential. Owners of predisposed breeds should discuss screening protocols with their veterinarian early and maintain a consistent prevention plan to protect long-term urinary health.
Next steps: Schedule a veterinary visit for urinalysis and imaging if your dog shows signs of straining, bloody urine, or frequent urination. Work with your vet to identify the stone type and select the most appropriate treatment — whether dissolution diet or surgical removal. Follow up with monitoring urinalyses every six months to catch bladder stones in dogs before they cause obstruction.
