Petco Text Logo
Petco Pet Logo

Cat's eyes swollen and bleeding after medication. Allergic reaction?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | 1 month and 23 days old | 1.5 lbs

I have a cat that got prescribed clavamox and terramycin ointment for his severe URI and what looked like the start of keratitis at its early stage. After 3 days of using the ointment the cats eye has gone from bad to way worse, now eyes are swollen so much so that I don't think he can see and the most swollen eye has begun to bleed and will no longer even open up. On a scale of one to ten, before treatment he was a 4, now an 8 or 9. Is this an allergic reaction? What can I do for him?

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Kevin Sanada, DVM

Veterinarian

Published on August 6th, 2017

It looks to me like this guy is not responding well to the current treatment. The red you are seeing in the eyes is not likely to be blood, but instead is very red and swollen conjunctiva. This can make treatment even more difficult, because you can't see the eye. It's important that this gets treated quickly, because these infections can quickly cause severe and permanent damage to the eyes. I would notify the vet that initially prescribed the treatment and ask for alternatives. Personally, I would probably switch the antibiotic and eye medication. I hope that helps.

Vote icon

1Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored