What causes high levels of urea in a dog's blood? What can be done to get rid of it and not the dog?

Question

Thanks to all who answered my earlier question concerning my lab vomiting. His blood test revealed high levels of urea. The vet says that makes him vomit up all of his food and water.
The K/D prescribed food is to be fed to him a little at a time so hopefully he will be able to keep it down. He desperately needs to gain weight. Is there anything that can be done to get rid of the urea and not the dog?

Answer 1

Urea nitrogen is non-protein nitrogen that is usually the result of protein breakdown. Protein is used by the body, ammonia is released, and it is converted to urea by the liver. One thing that could be causing high urea is a diet with improper protein content. If the diet does not have the right profile of amino acids, the dog cannot produce needed proteins, and instead uses them for energy. The normal route of excretion for urea is the kidney. During kidney failure, urea is not properly excreted into the urine and builds up in the blood causing uremia. The vet put the dog on kidney diet from Hill's, so he probably suspects kidney failure. Did the vet talk to you at all about this? If he does think it's kidney failure, he should have told you. Any idea if any other blood levels were abnormal? Since it could be a couple things, this is something you should asl your vet on if you're not clear. It never hurts to be completely informed!

Answer 2

1

Answer 3

Raised Urea Levels

Answer 4

I might be mistaken on this (didn't have time to double check myself), but high urea in the blood is usually indicative of bad kidney function...the kidneys usually filter this out of your bloodstream and it exits your body as waste (urine). Did you get these test results from a doctor? if so they would let you know if there were reason to be worried about the level...you can always call the office and be sure if you weren't given any counseling with your results. There's really nothing you can do yourself to lower the level, in extreme cases people receive dialysis treatments to filter the blood of wastes when the kidneys are not functioning properly. talk to your doctor.

Answer 5

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Answer 6

BUN being high is truly a classic sign of renal failure. It can be adversely high also if the dog is dehydrated. A better sign is creatinine which is not as hydration dependent. Call your vet, a potential treatment is IV fluids to dilute the high levels. This may also decrease the ill feeling the dog has from these levels being high and perhaps he will eat. KD is a great diet, but pricey. Also ask about a urine sample to see if the dog is producing urine that is concentrated. Low urine concentrate can also be a sign of renal problems. Good Luck

Answer 7

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Answer 8

High Urea

Answer 9

Sometimes cheap food can cause this so maybe if you have been feeding it like purina dog chow time to upgrade to something like Iam's or Science Diet sometimes dog's have a genetic disposition that has some problems like this talk to your vet ask them that is what they are there for.

Good Luck and God Bless.
I hope your dog gets better.

Answer 10

The most common cause if this is kidney failure - the KD food IS to try & get the urea down.
In fact I only know of one other possible cause, addisons and thats fairly rare.