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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog
Satisfied Customers: 26241
Experience:  University of California at Davis graduate veterinarian with 44 years of experience
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I have a std. Poodle that reason is good UTI about every

Customer Question

I have a std. Poodle that for whatever reason is good for a UTI about every nine months. She is three years old. She just had one about 3 weeks ago and our vet said that there were some crystals in her urine. A recheck last week showed the UTI cleared up but still some crystals in her urine. They wanted to do an X-ray on her bladder and put her on the prescribed dog food to dissolve the crystals at a tune of 170 dollars a month and said she will have to be on it for life. After doing some research I read that food really isn't good for her. We give her cranberries everyday. Her urine is 7.5. I think I read switching to a high protien low carb diet may help. She is on a grain free dog food already but the protien is only 27 pct. will some real lemon juice in her water help bring down her urine ph. It's very frustrating.
Submitted: 1 year ago.
Category: Dog
Expert:  Dr. Michael Salkin replied 1 year ago.

It's important to note that crystalluria (crystals in the urine) is usually clinical insignificant but can be important in limited situations. For example, crystal type is important in association with current or prior occurrence of calculi (stones) and when one suspects a portosystemic shunt (vascular abnormality associated with the liver), ethylene glycol toxicity, or melamine intoxication. Whenever crystalluria is considered significant, it's important to examine fresh, unrefrigerated urine specimens and the urine pH should be assessed within an hour of urine collection.

Crystalluria often causes concerns about urolithiasis (stones in the urine) but animals with crystalluria don't necessarily form uroliths and finding crystalluria is not an indication for treatment. For example, dogs normally excrete a large amount of ammonium magnesium phosphate (struvite). With urine pH greater than 6.5, this normal excretion begins to become visible as struvite crystals. The higher the pH, the more crystals become evident. Struvite crystalluria is normal in most dogs. Urolithiasis becomes a risk when urine pH remains consistently alkaline, usually from infection with urease-producing bacteria.

Rather than diet, then, rigorous control of infection in Paisley makes more sense to me. Because she presents with clinical signs of a UTI so often, please consider having regular urinalyses performed every 3 months in order to ensure that her urine is staying sterile which then should keep her urine pH lower. Please note, too, that neither cranberry nor lemon is expected to be helpful. The use of those foods has not been shown to be reliably effective in the urinary tract of dogs.

Please respond with further questions or concerns if you wish.