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Why is there blood in my cat's eye? Is it trauma or an infection?

Updated on September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | spayed | 1 year and 3 months old

My cat has blood in one of here eyes, what could it be? Our cat appears to have trauma to one of her eyes. She has had herpes before of the other eye

3 Answers

Most Helpful Answer

Jennifer Summerfield, DVM CPDT-KA

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on July 24th, 2016

If the blood appears to be inside the eye itself, this is called hyphema - the most common cause is trauma, but it can also be caused by a severe eye infection, a bleeding disorder, or certain systemic illnesses such as lymphoma or FIP. If you think the blood may be trauma-related, I would recommend having her examined by a vet as soon as you can - eyes are very delicate, and many conditions can lead to vision loss or permanent damage if they are not treated promptly.
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Related Answers from Veterinarians

  • Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on December 21st, 2018

    This often happens when your cat suffered a trauma but can also be caused by a severe eye infection, a bleeding disorder, or certain systemic illnesses such as lymphoma or FIP. If you think the blood may be trauma-related, I would recommend having her examined by a vet as soon as you can - eyes are very delicate, and many conditions can lead to vision loss or permanent damage if they are not treated promptly.

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    1Pet Parents found this answer helpful

  • Answered By Emily, DVM

    Veterinarian

    Published on June 12th, 2017

    This is likely from trauma. Because it is so close to that eye it will be very hard for you at home to clean this adequately. This is because you have to be very careful not to get certain cleaners on the eye itself as they can cause ulcers. If possible I recommend you take your cat to a veterinarian to do an exam and they would likely need to sedate your cat to clean out the area.
    If you cannot take your cat to the veterinarian you can try wiping the area with a warm wet washcloth keeping your cat inside with an E collar on so she cannot harm the site any more and monitoring it. I suspect though she will need prescription strength antibiotics from your veterinarian for this to heal.

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    4Pet Parents found this answer helpful

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