Dog bladder stones are formed usually as a result of poor diet or metabolic dysfunction. When dogs have bladder stones, they show urinary problems. This page looks at the causes, symptoms, and conventional treatment of this problem. Natural remedies such as herbs and supplements can be used to prevent and eliminate stones from dogs.
Eighty-five percent of the stones are formed in a dog's bladder, but they can also be found in the entire urinary tract - in the kidneys (though rather rare), the ureters (tiny tubes that carry urine from the kidneys to the bladder), or urethra (the tube from the bladder to the outside of the animal). When a stone that has passed into the urethra is large enough, it can cause blockage of the urethra. When this happens, the dog cannot urinate which is a serious condition, as toxins and waste cannot be eliminated in the urine from the dog's body. This requires emergency operation to remove the stones from the urethra.
There are several different types of bladder stones, but the common forms are:Struvite Bladder Stones
These stones are composed of magnesium, ammonium, and phosphate and form in urine that has a neutral or alkaline pH level. They occur more commonly in female dogs.Calcium Oxalate Bladder Stones
These stones are found in certain breeds of dogs as a result of a hereditary condition. Specifically, these dogs lack nephrocalcin, a calcium-binding glycoprotein, which inhibits the development of calcium oxalate crystals in the urinary tract.
Also, dogs with Cushing's disease are predisposed to calcium oxalate bladder stone formation, due to elevated calcium levels in their urine.Uric Acid Bladder Stones
These stones are formed almost exclusively in Dalmatians (about 80% of dogs with uric acid stones are Dalmatians) because of the inability of their livers to absorb uric acid. Two other breeds that can be genetically predisposed to uric acid bladder stones are Bulldogs and Russian Terriers.
Uric acid bladder stone formation can also be caused by a liver shunt. Have your vet check your dog for the presence of urate crystals (which lead to uric acid stone formation) on a regular basis if your dog has a liver shunt.
There are numerous possible causes of canine bladder stones; some common ones are:
There are various typical symptoms that a dog shows if he has bladder stones:
As mentioned above, if there is a a complete blockage of the urethra, the dog cannot urinate at all.
Depending on the type, size, number, and location of the stones, treatment may be different. For example, if the stones are in the urethra or the ureters, surgery is necessary since urinary obstructions can lead to kidney shut down and death.
However, if the stones are in the bladder and they are struvite stones, there are other choices. For example, the stones can be eliminated by feeding your dog a special diet (low in calcium, magnesium and protein) together with dissolving agents in it. These agents will eliminate the stones by dissolving them and causing them to pass through your dog's system.
For dogs with uric acid stones, a diet that is low in purines may be recommended. Purines are found primarily in animal proteins and are metabolized into uric acid in the body. Purine-rich foods include organ meats (e.g. liver, kidneys), seafood, and legumes.
Calcium oxalate stones cannot be dissolved and the only way to remove them is by surgery, after which supplements may be needed to prevent recurrence.
If your dog has bladder stones, it is essential to have a proper diagnosis to determine, among other things, the type and the location of the stones.
If the stones are not creating any blockage and are of the type that can be dissolved, you may want to try using natural remedies such as herbs and dietary supplements to eliminate the stones.
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