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My cat has a soft lump above her eye. Is it an allergy or vet visit?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 6 years and 11 months old | 13 lbs

Hi there, My cat has a lump above her eye (swelling over the eyelid) approx 15mm - 18mm. Feels soft and she has let me touch it without showing signs of pain or discomfort. Seems to have happened today and only been out the house 2 hours. She keeps the eye half closed. Could it be an allergy or sting or should I make an appointment at the vets for a check-up? Many thanks, Sarah

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1 Answer

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Answered By Ana M, DVM

Veterinarian

Published on June 20th, 2018

Thank you for submitting your question regarding Betsy. She may have experienced an insect bite or sting as you mentioned. If this is the case, the swelling should start resolving within 24 hours. If it gets bigger or she develops difficulty breathing, these are signs of an allergic reaction. She will need to see her veterinarian. If the eye itself is red or develops discharge, she will need to have this evaluated as well. If the swelling starts to come down and she is otherwise acting normal, then she will be just fine. I hope this information helps!

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