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Why is my cat's third eyelid showing? Is the vet's medicine right?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Female | spayed | 7.7 lbs

Took our cat to the vet since her third eyelid was covering half her eye since last one week even when she is active. Her appetite has decreased slightly but she is active otherwise. The vet has prescribed eye drops TOBA DM to be put thrice a day. Is it the right medicine? Is it a life threatening disease? will it affect her vision? How long will it take for her to recover fully? Please advice.

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2 Answers

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on April 16th, 2018

Your vet prescribed a general antibiotic eye drop which also contain steroids, from my experience when both third eyelids go up into the eye like this, it is usually not an eye related disease, it's more likely to be an intestinal disease. if she has not been dewormed lately, i would recommend starting by deworming her, often it is the discomfort related to the worms in the intestines that is causing this symptom. once the abdominal discomfort will be over, this symptom will disappear.

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    Answered By Megan, DVM, CVA

    Veterinarian

    Published on January 18th, 2018

    It sounds like she may be improving. Some cats need to be antibiotics for longer than days. Since her third eye lids are still up, I would have your vet do a recheck on her. Your vet will be able to determine whether she needs additional antibiotics. She may also need some eye drops to help her. I hope this helps.

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