Why is my cat hissing at my other cat after surgery?

Ever since one of our cats came back from surgery yesterday, our other cat has been hissing at her quite a bit. They usually get along so well, and I'm worried about this sudden tension between them. Could the changes from the surgery or medications be causing this behavior, and how can I help them get comfortable with each other again?

Answer

Your cats are experiencing temporary tension because the returning cat may smell different after surgery, which is causing an unexpected reaction from your other cat. This behavior is usually temporary and can be managed with care.

  • Separate the cats initially to reduce stress.
  • Reintroduce them gradually using positive associations.
  • Monitor for any signs of aggression or prolonged stress.

It is common for cats to react this way after one returns from the vet as the familiar scent is temporarily replaced with the smell of the clinic, medications, or anesthesia. This abrupt change can lead to unfamiliarity and hissy behavior. Gradual reintroduction, possibly using scent-swapping with blankets or towels, can help restore their bond. Keep an eye on their interactions and ensure both have personal space and resources.

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Frequently Asked Questions

  • How long will it take for my cats to get along again?

    Usually, it takes a few days to a week for cats to readjust to each other, but it can vary. Be patient and provide comfort during this transition.

  • Should I intervene if they start fighting?

    If you notice aggressive behavior, distract them with toys or treats and try to separate them calmly without using your hands.

  • Could this behavior indicate something else is wrong?

    If the behavior persists, it might be worth consulting a veterinarian to rule out any complications from surgery or underlying health issues.

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