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My dog suddenly drinks and pees a lot. What causes kidney issues?

Updated On September 23rd, 2025

Pet's info: Dog | Italian Greyhound | Female | spayed | 9 years and 5 months old | 14 lbs

Did an IDEXX, all levels normal except low albumin, low total protein, high amylase, and high BUN. The urinalysis (creatine?) ratio is 5. I was told normal is 1. Did IDEXX same time last year and everything was completely normal. Only symptoms frequent urination and drinking of water. Doing a culture on monday to rule out kidney infection. Any idea what could cause a sudden issue with kidneys? Other blood wastes are normal. Is the outlook treatable or fatal? Clean teeth, healthy dog otherwise.

4 Answers

Most Helpful Answer

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Answered By Lindsey Edwards MVB, BSc, IVCA

Veterinarian

Published on May 20th, 2017

There are many possible causes but age related kidney failure or interstitial nephritis would be most common in an otherwise well dog. Diet manipulation and monitoring of salts in blood can minimise the progression of disease

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on June 12th, 2019

    These symptoms could be signs of kidney failure but this could be many other things as well, you need to take him to the vet urgently to have a blood test and urine analysis done in order to have this diagnosed, only after the diagnosis the vet will be able to give you the prognosis.

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    Answered By Dr. Leigh, DVM

    Veterinarian

    Published on January 18th, 2017

    Symptoms of kidney failure include drinking more water than normal, urinating more, urine appears dilute (clear), weight loss, nausea, and vomiting. It can be cause by infections, inflammation, congenital problem, degeneration from age, etc. It is diagnosed by running bloodwork and a urinalysis.

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    Answered By Linda G, MS, DVM

    Veterinarian

    Published on August 1st, 2018

    Hello. Acute renal failure/injury can result from many causes, such as infections ( leptospirosis ), toxicity ( antifreeze, grape & raisin ingestion ), blockages ( bladder/urethral stones ), metabolic ( high blood pressure ), & inflammation ( immune-mediated ). It is important to try & identify the cause of the problem, but if not, early & aggressive therapy can turn things around. I hope your pet is doing well soon. Thanks for using Petco Pet Education Center, formerly Petcoach.

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