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My cat's lung fluid and fever returned after treatment. What now?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 2 years and 8 months old | 7.5 lbs

My cat suddenly collapsed and started to breathe heavily. The vet said she had Pulmonary edema and that 2/3 of her lungs were filled with fluid. The cat also had a temperature of 41.3. The vet also said that this happened because the cat had a virus that was left untreated for a long time. The cat was given immuno-stimulators, antibiotics and diuretic injections daily for a 7-day period. She seemed ok but 2 days after no injections were made, her fever came back and so did the breathing.

1 Answer

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on September 28th, 2017

Given the elevated temperature a pneumonia die to a mixed viral and bacterial infection is highly possible. Cardiac disease should be ideally ruled out as well. Often these diseases require a longer treatment course unfortunately. I do not think we can give you more specific advices at this stage, as a more thorough evaluation it would require more clinical informations including see the radiographs. Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further

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