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Why is my 5-month-old puppy suddenly calm and tired after a UTI?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | unspayed | 1 year and 1 month old | 30 lbs

My 5 month old puppy had a uti a couple days ago. She was acting normal, until yesterday. She seems to be a lot more calm then normal. Any idea what the problem could be?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 21st, 2017

I'm not sure if Sutton is being treated for her UTI or not. If she isn't, then this lethargy could be due to feeling unwell from the infection. In this case, I would have her seen by a vet right away to confirm she does have a UTI and to prescribed antibiotics for it. If she is being treated for her UTI, it could be that she is going through a growth spurt. That would make her more tired than usual, and I would monitor her for now. Should this lethargy continue over the next 24-48 hours, I would have her seen by a vet for a health check.

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