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Enalapril for dog heart failure: Kidney risk or dry cough side effect?

Updated On September 23rd, 2025

Pet's info: Dog | Jack Russell Terrier | Female | spayed | 14 years and 7 months old | 18.3 lbs

My dog has heart failure, currently on pimobendan, frusemide and spironolactone. Recently she had cough and then sudden weakness with high shriek thrice already and I'm thinking of bringing her to vet soon. Most likely she will be started on enalapril. Will that harm her kidney? Cos her BUN was already high from her last blood test. Will enalapril cause Dry cough like what it does to humans?

1 Answer

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on August 4th, 2019

I'm sorry to hear that Eight is having this issue. You are correct, her medications will either need to be adjusted or a new one started. She should see the vet as soon as possible. Sounds like she had a fainting type/dizziness episode that is likely related to unregulated heart condition. No, enalapril to the best of my knowledge does not cause a dry cough in dogs but it can have effects on the kidneys. That being said, a high BUN doesn't indicate kidney disease. Elevations of the BUN and CREA together would indicate kidney disease. BUN is not a specific marker for the kidneys, CREA is.

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