For Cats in Kidney Failure – Understanding the Tests For Cats in Kidney Failure

When you have suspicions for a cat in kidney failure, its key to get your cat in early for a series of diagnostic tests. When you are done reading this article, you’ll understand what tests are run for cats in kidney failure. You can help your cat live longer by getting him in early to the vet to have a a series of diagnostic tests run. Your veterinarian test your cat’s urine and blood for tell-tale signs of a cat experiencing renal failure.

Its important to understand some of the vocabulary used to convey the state of the condition for cats in kidney failure. Acute kidney (or renal) failure in your cat is characterized by complete organ failure where the kidneys stop working altogether. Usually, acute renal failure occurs quite suddenly and can affect both young and old cats.This type of kidney disease is almost always fatal but if treated immediately and aggressively, the kidneys may regain normal functions and your cat may live a normal lifespan.

The other phrase you may hear is chronic kidney failure. This is the most common disease and is usually experienced by an aging cat. As cats age their major organs have weakened, including their kidneys. Sadly, by the time you notice the symptoms for cats in kidney failure about 70% of your cat’s kidney functions are already in trouble. Chronic kidney failure is a progressive disease and eventually your cat will die from it. However, the earlier the disease is discovered the longer you can keep your cat comfortable for months or even years.

Since cats with a kidney problem typically have small, shriveled kidneys, your vet will palpitate the area and may take x-rays or an ultrasound. The most dependable diagnosis comes from the blood and urine tests taken from your cat.

Blood Tests

When your vet tests for the BUN level, he is testing for the Blood Urea Nitrogen level in your cat’s blood. The BUN is a chemical that the liver makes from ammonia. After production, BUN is excreted into the kidneys, which increases in some diseases especially for cats in kidney failure. The test also is a marker for dehydration in your cat or even bladder stones.

Blood tests also show the level of creatinine in your cat’s blood. Creatinine is the breakdown product of muscle and normally is excreted by the kidneys. If your cat’s creatinine level is abnormal it helps confirm that your cat’s elevated BUN level was caused by kidney failure.

Urine Tests

When evaluating your cat’s urine, the veterinarian will check for signs of infection, the concentration, and any losses of proteins. When a healthy cat is dehydrated the proteins show at a concentrated level. For cats in kidney failure, this protein concentration is not there which is key to determining if your cat’s kidneys are functioning properly or not.

To conclude…urine and blood tests are key to determining if your cat is having a kidney problem. Do not give up when you hear your cat has kidney disease. There are a number of homeopathic remedies available to improve the quality of life for cats in kidney failure. You’ll find more tips for helping treat a cat with chronic renal failure at

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