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Is an 8-week antibiotic course too long for a cat with kidney disease?

Updated on September 23rd, 2025

Our vet has prescribed clavaseptin for our 15 year old cat for a suspected kidney infection. Blood work indicates she has stage 3 kidney disease. Does continuing the antibiotic for 8 weeks seem excessive?

2 Answers

Most Helpful Answer

Andrea M. Brodie, DVM

Answered By Andrea M. Brodie, DVM

Veterinarian

Published on July 30th, 2018

No, To me this sounds like your veterinarian is doing a good job. In order to take care of all hidden bacteria and depending on the type of bacteria, it is necessary to run a long course of antibiotics. Apparently the infection is a nasty one. So, trust your vet and finish the course of antibiotics for a chance that your kitty's kidney disease is curable as it is likely caused by the infection.
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Related Answers from Veterinarians

  • Answered By Lindsey Edwards MVB, BSc, IVCA

    Veterinarian

    Published on October 7th, 2018

    There is a possibility that such a long, low dose could encourage a resistant bacteria. I would consider withholding antibiotics for 7days and then performing a urine culture to determine exactly what bacteria if any are still present and whether additional treatment of the same or different antibiotics are required

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    1Pet Parents found this answer helpful

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