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Why would my dog get sudden kidney failure with no warning signs?

Updated On September 23rd, 2025

Pet's info: Dog | Cairn Terrier | Male | unneutered | 13 years and 7 months old | 14.8 lbs

As to my previous question is it common for dogs to not be drinking excessively or peeing excessively to have renal failure within a week of being normal as i've read thats a real sign that kidneys are compromised. Also there was no creatine test done to my knowledge, all vital signs normal apart from the high urea levels. Doesn't make sense to me that it happened so fast i thought he had an infection. Regards

1 Answer

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on June 4th, 2018

Most commonly we will see water intake and urination increase with chronic renal failure, but sometimes they compensate well and we don't see any abnormalities until their body just can't compensate anymore. Another possibility is that Bobo had acute renal failure. There are a number of causes of acute renal failure including infections like Leptospirosis ( https://veterinarypartner.vin.com/default.aspx?pid=19239&id=4951453 ) and toxicities such as antifreeze. If something caused acute renal failure, then he would have been normal before. I know you are trying to process your loss of Bobo, so I hope that makes sense and was helpful.

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