My cat's third eyelid popped up and doesn’t seem right; is this haws syndrome or something else?

I noticed that my cat's third eyelid has suddenly become visible in both eyes, which I found concerning since this hasn't happened before. It seems to be persistent throughout the day and isn't going away. I've heard that this could indicate haws syndrome, but are there other reasons this could be happening? Should I be taking any immediate action to help her?

Answer

The sudden visibility of your cat's third eyelid, or nictitating membrane, in both eyes can be concerning. This could be a sign of an underlying issue, and although haws syndrome is a possible explanation, there are other potential causes that should be considered.

  • Third eyelid visibility can indicate illness or discomfort.
  • Persistent symptoms may require veterinary attention.
  • A prompt consultation can prevent potential complications.

There are several reasons why your cat's third eyelid might be visible. These include dehydration, gastrointestinal issues like diarrhea, or systemic infections. Haws syndrome is a known cause, often related to gastrointestinal disturbances, but other illnesses could also present with this symptom. It's important to monitor your cat for additional signs of illness, such as lethargy, loss of appetite, or changes in behavior. If your cat exhibits any of these symptoms or if the third eyelid remains visible, consulting with a veterinarian is recommended to ensure appropriate care and treatment.

Book a consultation with a licensed vet at Dial A Vet for just $49 AUD if you're unsure or symptoms are getting worse.

Frequently Asked Questions

  • What is the third eyelid?

    The third eyelid, or nictitating membrane, is a protective layer found in some animals, including cats. It helps to clean and moisturize the eye and can become more visible if there's an issue needing attention.

  • What is haws syndrome?

    Haws syndrome is an idiopathic condition in cats where the third eyelids become prominent, often related to gastrointestinal issues. While not usually serious, it should be evaluated by a veterinarian to rule out other causes.

  • When should I see a vet?

    If your cat's third eyelid remains visible or is accompanied by other symptoms like lethargy or appetite changes, it’s advisable to see a vet promptly for a proper diagnosis and peace of mind.

If this is an emergency, please seek immediate veterinary care.

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