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Why does my senior dog have chronic, slow-growing eye irritation?

Updated on September 23rd, 2025

Pet's info: Dog | Chihuahua (Smooth Coat) | Male | neutered | 13 years and 7 months old | 11 lbs

Is this a skin fungus? It’s been growing very slowly for a few years. My dog is almost 14 and hasn’t had any major health issues besides age-related stuff like arthritis and teeth issues, which are both taken care of now. It seems like the eye issue is a fungus and I was wondering if you could recommend something to try and stop it. If it doesn’t work I will go back to his vet.. thank you for any advice!

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on February 18th, 2020

Hello. I do not think this is a skin fungus, but just chronic irritation from years of tears spilling over, a common problem in dogs with very prominent eyes. I would just keep the area wiped down with warm water & dry the area & just keep doing this as needed. If you want to try something, then you can pick up an antiseptic skin cleanser called Hibiclens at any pharmacy. Just dab a bit on the area twice a day, but do not let any get into the eye. This should also help. Thanks for using Petco Pet Education Center, formerly Petcoach.
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