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My cat is 16 years old and was diagnosed with kidney

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failure, about 25% of their...
my cat is 16 years old and was diagnosed with kidney failure, about 25% of their function was left 2 years ago. He has been on renal food ever since. About a month ago he wouldn't stop eating, he now over the past week is pooing everywhere and he also splatters when he goes, sometimes its fairly solid sometimes not, his stomach is also now making gurgling noises
JA: I'm sorry to hear that. What is the cat's name?
Customer: Marvin
JA: Is there anything else important you think the Veterinarian should know about Marvin?
Customer: No not really he can be quiet some days lively others, he has lost weight but thats due to his kidneys I think and has been like that for 2 years
Submitted: 1 year ago.Category: Cat Veterinary
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Answered in 10 minutes by:
8/10/2016
Cat Veterinarian: Dr. Kara, Veterinarian replied 1 year ago
Dr. Kara
Dr. Kara, Veterinarian
Category: Cat Veterinary
Satisfied Customers: 17,118
Experience: Over 20 years of experience as a veterinarian.
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Hello, my name is***** and I have over 20 years of experience as a veterinarian.

I am concerned that Marvin is getting very thin even with a suddenly good appetite, and is having loose stools.

It is true that cats with kidney disease often lose weight, but that is generally very gradual and because their appetite decreases due to increased kidney wastes affecting their appetite as well as protein loss through their kidneys.

Kidney disease can lead to slightly loose stools too, but they don't tend cause increased amounts of stool, and I would expect increased amounts of vomiting too with an irritated intestinal tract.

When we see weight loss with an apparently normal or increased appetite we need to worry about disease processes that either don't allow him to digest and/or absorb the food he is taking (such as diabetes, liver disease, primary intestinal or pancreatic disease including cancers) or those that lead to a higher metabolic rate such as hyperthyroidism or cancer.

In an older cat the more common diseases we see include hyperthyroidism (a tumor of the thyroid gland that overproduces thyroid hormones) or if he were drinking more and urinating a tremendous amount, diabetes. Sometimes early on with diabetes we only see weight loss.

Both diabetes and hyperthyroidism are treatable or at least manageable.

Hyperthyroidism is controlled with daily oral medication (Tapazole, also called methimazole) or a very special diet called y/d both of which must be done for the rest of her life or treatment with radioactive iodine to selectively kill tumor cells which is usually a one time therapy. There are pros and cons to each therapy which your veterinarian can discuss with you after getting a firm diagnosis.

Hyperthyroidism is not painful, but elevated thyroid hormones can make them feel edgy or nervous, increase their appetite due to an increased metabolic rate, increase the heart rate and interfere with sleep, like drinking way too much coffee or energy drinks, and increase intestinal motility thus diarrhea. Long term if left untreated hyperthyroidism it can lead to heart disease, hypertension, possible eye damage as well as kidney and liver damage. But if caught and treated many of these things can be reversed.

Diabetes is controlled with diet and insulin therapy.

Has he had any recent testing done to achieve a diagnosis?

Ideally he should have a complete blood count and biochemistry profile with T-4 checked as well as a urinalysis. These tests often give us the information that we need.

If those aren't diagnostic then it is time to move on to more specialized testing. I recommend checking vitamin B levels to look for signs of intestinal disease, a test for pancreatic insufficiency called a TLI, and an abdominal ultrasound to look for signs of changes in the walls of the intestines as well as evaluating his organs. He may need an endoscopy to collect biopsies of his intestines if they look abnormal.

It is not uncommon for older cats to develop multiple problems as they age, and I think that is the case with Marvin.

In the meantime you might try feeding him a higher calorie prescription food called Hills a/d or Iams Maximum Calorie from your veterinarian and make sure he has access to plenty of fresh, clean water.

Please let me know if you have any further questions.

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