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What's this raised, round bald spot on my cat's armpit? Ringworm?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | unspayed | 11 months and 29 days old | 7 lbs

I just found a spot on missing fur I'm my cats front upper armpit. It actually looks like it was shaved. It is a almost perfect round spot and it is humped up some. I am thinking it is ringworm but not sure. If you can look at the pictures I have attached I would be very grateful. Thank you

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on October 27th, 2018

That could be a ringworm patch on Tinsel. Unfortunately without seeing her in person, I can't say for certain. Don't touch it, as ringworm is highly contagious to humans as well. Have her seen by a vet on Monday who can confirm if she has ringworm and can prescribe an oral anti-fungal medication. If she does has ringworm, you will have to disinfect your home because the spores can live in it up to 18 months. I will put a link below on how to do this. I hope this helps! http://www.livestrong.com/article/49666-rid-home-ringworm/

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