Cat has kidney disease. Will high sodium food raise blood pressure?

Question

Hi tony is early renal and had high blood pressure even before that. He’s been on amlodipine for a couple years and we check blood pressure frequently. He doesn’t like kidney diets so he eats a royal Canin aging 12+ senior wet food and I mix in a phosphorus binder but I know this food is higher in sodium than a kidney diet. Will this higher sodium affect his blood pressure significantly? Pet's info: Cat | Domestic Shorthair | Male | neutered | 19 years and 11 months old | 9.5 lbs

Dr. Strydom, DVM · Accepted Answer

It should not have a significant impact on his blood pressure. Obviously eating the renal diet is best but with kidney disease studies have shown that it is actually the phosphorus restriction that is the most effective. Since he is on a phosphate binder you don't have to worry about that too much. At this stage it is best to just make sure he is eating so give him whatever he will eat. Sounds like you are doing a great job!

Cat has kidney disease. Will high sodium food raise blood pressure?

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