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Lump with hole and something moving in it.

Species: Cat
Breed: Tabby? not sure, as
Age: 6-12 months
Hi, i just got a new kitten 3 days ago, this morning i woke up and picked her up and she hissed in pain and jumped out of my arms. the night before she didn't do this. So i gently checked her for what was wrong. i found a sore like spot on her side, not big maybe fingernail size or smaller. im almost 100% sure its ring worm but the only thing making me not sure is the very small hole at the center about the size of a toothpick tip. is that common with ringworm? It seems to have something in it moving, i thought maybe a tick or such...but im really not sure, i need to know soon as you can. Thank you so much (:



Online vet, Dr. Marie

Dr. Marie replied:

Though I can't say for sure, I am wondering if your kitten has a cuterebra. This is a parasite that goes through its life cycle inside of an animal. Near the end of its life cycle it becomes a little grub like animal and makes a small hole to "breathe" out of. Eventually, it pops out of the hole and turns into a fly.

Usually if I see a cuterebra, I try to get it out right away as it can cause problems and I'm sure it is not comfortable to have something moving under your skin. Usually we can remove them by making a small cut in the skin and slowly extracting it. It is definitely something you would want to have your vet do because if you end up rupturing the bug it can release toxins.

Do you know if your kitten has been near rabbit hutches at all? This is where they usually pick up these creatures, but I have seen indoor animals like hamsters pick them up too.

It is also possible that this is a ruptured abscess. However, I wouldn't expect to see something moving in it.

The best thing you can do is have your vet take a look!

I hope everything is ok!

Dr. Marie.

---This question was asked in our Ask A Vet For Free section.---


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.