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My cat is hissing at the new kitten. How do I introduce them safely?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 10 lbs

When I brought in my cat lily I already had two other adult cats she was an adult when I bought her but as soon as I brought her in she showed everyone who's boss that never changed the other two cats have since gained their wings and I recently brought in a little kitten thinking a maternal instinct would come out in her but she's going after this kitten and hissing at it any suggestions aside from taking the kitten back that I can try to see if this would work out

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on August 7th, 2017

Separate Lilly from the kitten for a few days. Gradually reintroduce them. Start with a closed door between them so they can hear and smell each other. Progress to seeing each other but without physical contact. Once they are acclimated, try short periods of supervised contact. Use a pheromone prodcut such as Feliway Spray or the plug in diffuser to decrease any anxiety or aggression.

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