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Why is my senior cat angry and lethargic after hospital discharge?

Updated On September 23rd, 2025

Pet's info: Cat | Asian | Female | spayed | 7 lbs

I have a 15 years old female cat, She's been hospitalized for around 2 days for an intravenous fluid therapy due to her ongoing kidney problem (her urea and creatinine is above the normal readings initially) and when the doctor did her blood test earlier today all of the readings are in the normal range thus why they decided to discharge her. Once she's at home though she's angry whenever someone touches her and she seems very lethar

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Answered By Tomasz Wnuk

Veterinarian

Published on May 9th, 2020

Hello and thank you for contacting Petco Pet Education Center, formerly Petcoach. This behaviour is often a sign of pain in cats. Please, check the leg she had the catheter in from the shaved area up to the shoulder. Sometimes after having the catheter in the leg becomes very painful or swollen. Some cats get upset once they have been in the hospital and they need some time at home to get back to normal. Please, keep an eye on Nemo at home, she should fully recover within 12-24hrs . If she is not acting as normal by tomorrow, you should take her back to your vets.

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