Does a dog with congestive heart failure need low sodium food?
Updated On September 23rd, 2025
Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 4 years and 11 months old | 17 lbs
What sodium level (dry matter basis) is recommended for a dog who had congestive heart failure? Just wondering for the future if needed.
3 Answers
Most Helpful Answer
Published on June 7th, 2017
What a great question! The most recent research indicates that dogs with CHF that are doing well usually do not need a sodium restricted diet. The most important thing is to keep them eating well, and salt increases palatability of most foods. However, a pet that is decompensating may benefit from a sodium-restricted diet. The prescription diets for heart disease typically have around a 0.10% salt content by dry matter.
3Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on June 16th, 2017
Natural Balance vegetarian food has been formulated to meet the nutritional requirements of the average dog, and while it is low in sodium it probably does not have the same benefits as a prescription diet. If your veterinarian recommended a prescription diet made by Hill's you could ask about alternative brands like Royal Canin or Purina. If you aren't a fan of those brands you could also look into a home cooked diet: your veterinarian can direct you to a nutritionist or you can visit BalanceIT.com to have a nutrionist formulate a diet.
1Pet Parents found this answer helpful
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Published on June 16th, 2017
Of course it is more ideal to be on a prescription heart disease due to the low sodium content but I have found not a lot of dogs are willing to eat it. I would prefer a dog to eat their regular well balance food than not eat at all and honestly, I do not find a huge difference in success in treatment when comparing the dogs that eat the special diet vs those that won't. I would make sure if she does develop heart disease that she is properly worked up (chest X-rays, blood pressure, ECG, and echo) then put on the appropriate medications to treat her heart disease.
1Pet Parents found this answer helpful
How common is a very low sodium diet such as heart care by Hills absolutely needed once a dog is in advanced heart failure? What would be the symptoms of them needing a prescription diet vs. just feeding them their regular diet? can you please explai
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