Fur Bald spot appearing behind 1 ear?

[campusgirll]

My American crested sow Karma has gotten this patch behind her left ear. It had to have been within the past 3 days because i have been working a lot so havent had lap time. I have 2, the other sow Lulu doesnt have it. Otherwise, their coat is flawless, soft and shinny. They were just at the vet 2 months ago to cut nails and a general look over. I read online that it is normal but I wanted your opinion with pictures. I have had them for 9 months since they were babies. Never had mites or anything and they are our only pets. Cage is cleaned once a week and spot cleaned daily. Is this normal or should I be worried?

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[scoottie]

The bald patch behind the guinea pigs ear is normal your other guinea pigs also have them as well.

 

[bpatters]

That is NOT a normal bald spot behind the ear. It looks perfectly round to me, which suggests ringworm.

You could start with an antifungal medicine with one of the -conazoles in it -- several are listed here: https://www.guinealynx.info/fungus.html. If the lesion responds to that, keep treating it for several days after the hair begins to grow back in, because a fungus infection is hard to eradicate. If it doesn't respond, you may need to see a vet for a stronger medicine preparation.

 

[campusgirll]

I'm just going to take her to the vet. No other hair is coming out or has come out. She still let's me hold her and she is fine. I will just get a expert opinion

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[campusgirll]

That is NOT a normal bald spot behind the ear. It looks perfectly round to me, which suggests ringworm.

You could start with an antifungal medicine with one of the -conazoles in it -- several are listed here: https://www.guinealynx.info/fungus.html. If the lesion responds to that, keep treating it for several days after the hair begins to grow back in, because a fungus infection is hard to eradicate. If it doesn't respond, you may need to see a vet for a stronger medicine preparation.

The bald spot is smooth and clean not crusty or flaky

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[scoottie]

The bald spot is smooth and clean not crusty or flaky

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Then its NOT ringworm. Read this and it has information on the bald spot behind guinea pigs ears.

https://www.guinealynx.info/hairloss.html

 

[campusgirll]

Thank you. The vet said there are no infections

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