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What if my cat has a swollen mouth, is drooling, and lethargic?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 3 years and 7 months old

My cat has a swollen mouth, drooling and very lethargic

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on March 22nd, 2017

This is an emergency. Your cat may have tried to eat something poisonous such as a toad, have severe ulcers or tooth abscesses or have been bitten or stung by an insect and now has a severe allergic reaction. Please take Rory to an emergency vet or out of hours veterinary service right away for an exam and treatment.

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