Kidney feed for cats - the best feeds

Author: Peter Berry
Date Of Creation: 20 February 2021
Update Date: 25 December 2024
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Why I Don’t Recommend Most Prescription Renal Diets for Cats
Video: Why I Don’t Recommend Most Prescription Renal Diets for Cats

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THE renal insufficiency it is one of the most common problems that affects cats in old age. There are two types: kidney failure, which is usually caused by an infection or the appearance of toxins, and chronic kidney disease, caused by tumors, irreversible kidney damage or unknown causes. Cats suffering from kidney failure must receive adequate nutrition, as well as other specific care to improve their health and increase their longevity.

Remember, the specific food for cats with kidney failure must be prescribed by the veterinarian! Since this is a product that can harm the health of a healthy cat or one that has another disease. In addition, the specialist gives recommendations on how to take better care of your cat and increase its life expectancy.


In this article by PeritoAnimal, we compiled the best foods for cats with kidney failure and we'll explain what benefits each have and why you should choose them. Don't forget to discuss your choice with the veterinarian and ensure your cat receives the proper food:

Cat feeding with kidney failure

Before talking about the nutritional needs of cats suffering from kidney failure, it is necessary to remember that water consumption is vital to promote the cat's recovery or improve its quality of life. A diseased kidney loses its ability to retain water and this causes heavy urine to carry to dehydration.

Write down some helpful advice that might help:

  • Regardless of the food, add moist foods to your cat's diet every day. Important! Don't forget to choose products that are suitable for kidney failure.
  • Renew your water regularly.
  • Many cats prefer to use a water source. Feel free to buy this type of water cooler.
  • Keep toes and troughs clean and away from the litter box.
  • In more severe cases, the use of subcutaneous serum may be necessary!

Now that we know the importance of keeping your cat well hydrated, it's time to talk about The feeding that he must follow. It is very important to emphasize that food is the main treatment and the key to treating kidney failure or improving the quality of life of animals suffering from chronic kidney failure.


The diets, whether they are, homemade recipes for cats with kidney failure or a diet based on dry foods, must contain:

  1. Protein restriction: decreasing the protein intake of your cat's diet prevents kidney degeneration. We should consult the veterinarian about the daily amount of protein the patient needs and also ensure that it is a high quality product. This important detail will help you choose the correct feed.
  2. Phosphate restriction (Phosphorus): As with protein, phosphate is difficult to be filtered by a diseased kidney, and scar tissue can accumulate in this organ. Especially in cats with a phosphorus level above 6.8 mg/dl, the use of chelators is highly recommended, as they adhere to the phosphate in food and prevent it from reaching the blood.
  3. Increased lipids: it is common for cats with kidney failure to reject different types of food, often causing anorexia in felines. Increasing the contribution of lipids improves the shelf life of the food and helps maintain the ideal weight. The animal should eat between 70 and 80 kc per day, especially those that contain omega 3 and 6.
  4. Vitamins and Supplements: Consult your veterinarian about the prescription of vitamins B and C (very important for the cat's digestive health and increased appetite), potassium and a control of the acid-base balance. Due to the acidity suffered by cats with this disease, many veterinarians recommend the use of antacids.

Chow for cats with kidney failure from Hill's brand

the range of Hill Brand Prescription Diet has clinically proven products that help to control the various health problems that a cat can suffer. In addition to feed, Hill complements each of its products with canned foods, incredibly beneficial if our best friend is in delicate health and needs a mild food.


Below are 3 Hill brand products for cats suffering from kidney failure:

1. Prescription Diet c/d Chicken

Stones or kidney stones Cats are a serious health problem that must be treated as soon as possible. No doubt, buy Prescription Diet c/d Chicken is to acquire one of the best feeds for cats with kidney failure since reduces the appearance of calculi and dissolves them in 14 days. It is a very specific product and for a concrete suffering. If you are unsure whether your cat has calculi, you should never give him this product. In this case, Hill proposes the classic chicken flavor.

2. Prescription Diet c/d Fish

This Product, Prescription Diet c/d Fish, is identical to the previous one, the only difference is the taste, which in this case it's fish. Also used to treat kidney stones or stones, preventing them from appearing and dissolving them in 14 days.

3. Prescription Diet Feline k/d

Unlike previous products, the Prescription Diet Feline k/d it is designed to improve the quality of life of cats suffering from kidney failure. It is an excellent product, ideal for elderly cats, as it has reduced protein and an important source of omega 3.

Cat food with urinary problems - Royal Canin

Royal Canin has a series of specific foods that support the different veterinary treatments. In this case, to treat kidney failure, we have:

Renal RF 23 Feline

O Renal RF 23 Feline it's a product especially indicated for chronic kidney failure, for urine alkalinization, for hepatic encephalopathy, and for cats who have recurrent calcium oxalate uroliths. It has a low phosphorus content and, in addition, proteins are limited, which as we mentioned in the previous case, is very favorable for elderly cats.

Cat food for cats with kidney problems - Pro Plan

Optirenal Sterilized Peru

Finally, the Optirenal Sterilized Peru it has two very important functions: it improves the quality of life of cats with urinary or kidney problems and, in addition, it is ideal for neutered cats. It is a very complete product. It is also a delicate food, designed for cats with sensitive digestion.