
Kidney failure in dogs , also known as disease Renal is a relatively common pathology in dometic dogs.Likewise, renal failure can also occur in cats.We can observe that this pathology is common in elderly dogs or those who are already sick and develop kidney problems due to their disease.
It is vital to learn to recognize the signs of this pathology, as well as what will be the best feeding for dogs with kidney failure problems .In this article of Animals and Pets Online we will delve into this complex issue that In addition, it will require the professional guidance of our trusted veterinarian .
Kidney failure in dogs and its impact on food
Kidney failure in dogs can be acute or chronic , acute can lead to a high risk of mortality, although it is reversible, however, chronic kidney failure leads to damage in Renal tissue that is irreversible.
Under normal conditions, toxins circulating in the blood are dissolved in water through the kidney, properly filtered and subsequently excreted through the urine, but when there is kidney failure , the kidney needs a greater amount of water to be able to excrete the same amount of toxins.Still, there comes a point where more hydration is not enough for the kidney to support the workload normal and these toxins rise in the blood.
Many of these toxins come from the environment , while others come from the metabolism of some nutrients , for example, of the proteins, whose metabolism generates ammonia, a substance The toxic substance that must be converted into urea in order to be excreted through the urine.
In conditions of renal insufficiency in dogs, food is particularly important, since we must avoid certain foods and maintain a caloric load that allows it our friend maintain his body weight.As always happens, food is one of the most influential factors on health.
Symptoms of kidney failure in dogs
If our dog is suffering kidney damage, it is important to be able to identify it so that go to the veterinarian as urgently as possible .The clinical symptoms of kidney failure in dogs will vary depending if renal failure is acute or chronic:
Symptoms of acute renal failure:
- Loss of appetite
- Lethargy
- Vomits
- Absence of urine
- Disorientation
- Lack of coordination
- Physical weakness
Symptoms of chronic renal failure:
- Absence of urine
- Urine with blood
- Fur in poor condition
- Vomits
- Diarrhea
- Bent posture
- Bad breath
- Mouth ulcers
- Dehydration
- Weakness
- Swelling
Kidney failure in dogs is a serious pathology because it affects a vital organ and therefore requires urgent treatment that includes changes in the feeding of our pet.

Tips for feeding dogs with kidney failure
The feeding of a dog with kidney damage has the main objective to reduce the workload of the kidney , since it can no longer filter all the toxins in the proper way, and keep the dog at an adequate weight, thus preventing a state of malnutrition.A good diet for a dog with renal insufficiency should be sustained on the following bases:
It must be a low sodium and phosphorus diet .they must provide proteins of high biological value (rich in essential amino acids) but in a moderate amount, lower than normal required in healthy adult dogs.Hydration must be seroptimized, for this the dog must always have fresh and clean water at his disposal and be Preferably opt for wet food.A food that respects these principles can be provided through feed (feed) or through food.Homemade food, there is controversy about the best method.
Is it better feed or homemade food for dogs with kidney failure?
There are feed for dogs with renal insufficiency that adapt perfectly to the nutritional requirements of a dog with kidney disease, however, some experts believe that the best feeding in these cases is the homemade diet for dogs with renal insufficiency and that only offers balanced food as a supplement.The veterinarian should advise us on this aspect.
Some recommended foods for dogs with kidney problems are:
- Boiled rice
- Olive oil
- Sunflower oil
- Egg shell
- Gelatin without flavor
- Cabbage
- Zucchini
- Carrot
- Brocoli
- Pork
- Lamb
- Anchovies
- Salmon
On the contrary, the foods to avoid in a case of kidney failure are:
- Milk
- Dairy products
- Nuts
- Legumes
In any case , It will be the veterinarian who can prescribe one type of feeding or another in dogs suffering from kidney failure.Also, it must also be the specialist who guides us in terms of ingredients, quantities, drinks or supplements .

If you want to read more articles similar to Feeding for dogs with kidney failure , we recommend that you enter our Homemade Diets section.
Bibliography
- Jacob, F., Polzin, DJ, Osborne, CA, Allen, TA, Kirk, CA, Neaton, JD,...&Swanson, LL (2002).Clinical evaluation of dietary modification for treatment of spontaneous chronic renal failure in dogs. Journal of the American Veterinary Medical Association , 220 (8), 1163-1170.
- Jeong, WI, Do, SH, Jeong, DH, Chung, JY, Yang, HJ, Yuan, DW,...&Jeong, KS (2 006).Canine renal failure syndrome in three dogs. Journal of veterinary science , 7 (3), 299-301.
- Finco, DR, Crowell, WA,&Barsanti , JA (1985).Effects of three diets on dogs with induced chronic renal failure. American journal of veterinary research , 46 (3), 646-653.
- Finco, DR , Brown, SA, Crowell, WA, Duncan, RJ, Barsanti, JA,&Bennett, SE (1992).Effects of dietary phosphorus and protein in dogs with chronic renal failure. American journal of veterinary research , 53 (12), 2264-2271.
- Finco, DR, Brown, SA, Crowell, WA, Groves, CA, Duncan, JR,&Barsanti, JA (1992).Effects of phosphorus/calcium-restricted and phosphorus/calcium-replete 32% protein diets in dogs with chronic renal failure. American journal of veterinary research , 53 (1), 157-163.
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