Struvite stones, the most common bladder stone in dogs, has a bit more complicated cause.ĭogs of any breed, with a history of bladder infections, can develop struvite crystals and stones. This suggests some inherited disorder that promotes calcium oxalate crystal and stone formation in the bladder. 60% of cases of calcium oxalate are found in the Bichon Frise, Lhasa Opso, Miniature Schnauzer, Miniature Poodle, Shih Tzu and Yorkshire Terrier breeds. The most common stone types are calcium oxalate and struvite stones. We use diet to manage the condition, but the cause is dependent on the type of stones.Ĭystine stones for instance result from an inherited defect in “bully breeds” due to excess secretion of the amino acid cystine into the urine.ĭalmatians have an inherited defect in amino acid metabolism that causes urate stones to form in the bladder.ĭogs with liver shunts are also prone to urate stone production in their bladders. It is commonly believed that the type of food your dog eats can cause bladder stones. Some female dogs will actually pass stones from their vagina when urinating. This is an emergency situation that requires immediate veterinary care. Male dogs may have interrupted streams of urine or have difficulty urinating at all. Many will urinate frequent, small amounts of urine. ![]() Some dogs show no symptoms but blood in the urine is the most common symptom owners experience with their dogs. This is not an instant process so owners are rarely aware of bladder stones until their dog begins showing symptoms. This is a natural function of the kidneys, but over time in some dogs, the crystals attach to each other and form stones. Crystals form from the mineral salts that are excreted by the kidneys into the urine. There are 4 types of bladder stones- calcium oxalate, struvite, cystine and urate. ![]() Bladder stones form from crystals in the urine of dogs.
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