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The diseased lower urinary tract yields the same symptoms regardless of the cause.
A cat with lower urinary tract disease may have some or even all of these signs.
The Trick is Determining the Cause
The urinary bladder, urethra, and urinary opening all constitute the lower urinary tract. It makes sense that effective treatment requires knowing the cause of the symptoms. The problem is that just about any inflammatory condition in the feline lower urinary tract creates the same collection of signs. Tumors, infections, bladder stones, etc. all create the same clinical picture.
What are the Possible Causes?
It turns out that the age of the cat is tremendously relevant regarding which underlying causes are most likely. If we look at all cats with lower urinary tract symptoms, we find:
If we separate the cats that are 10 years of age or older and only look at them, a different statistical picture emerges:
Sorting Out Causes
Testing is used to help sort patients into the correct group. A urinalysis is commonly performed. With a 50 percent incidence of infection in older cats, a urine culture would be extremely important for a cat age 10 or more but not as important for younger cats where the infection is rare. In younger cats, a urinalysis is helpful to look for the typical blood and crystals of idiopathic cystitis or to pick up the occasional bladder infection.
Radiographs (in cats young and old) to rule out bladder stones are a good idea as they will otherwise go undetected if imaging is not considered. Ultrasound is gaining popularity and can help screen for both tumors as well as bladder stones.
Notice the large percentage of young adult cats for whom no clear underlying cause can be identified. For these cats, there are many theories on how to proceed.
This syndrome has many causes. Use the links to guide you to other resources in these areas:
It is critical to note that lower urinary symptoms in a male cat can indicate a urinary blockage, which is an emergency situation.If you are not sure if your cat can express urine, assume it could be an emergency and call your veterinarian’s office at once.
See more about prevention.
FLUTD is a complex disease, so knowing the cause of the disease guides the treatment. In other words, there is no common treatment or management. Your best source of information will come from your veterinarian as they know you and your cat's circumstances.
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