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My guinea pig has bald patches on its nose and ear. What is it?

Updated On September 23rd, 2025

Pet's info: Small Animal | Unknown - Small Animal | Female | 3 lbs

My guinea pig has bald patches on her nose and is now on her ear (don't have a picture of her ear) and idk what it is? I'm thinking it's ringworms but Idk what to do! Should I take her to the vet to be safe?

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Answered By Jeffrey Milner

Veterinarian

Published on January 22nd, 2018

Mites can cause this sort of appearance in guinea pigs. The best medication to use to combat mites in rodents is Revolution, a drug marketed for kittens. It requires veterinary prescription to obtain, so you will need to take Reese to see the doctor before obtaining any. Hope this makes sense.

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