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My cats are playing with millipedes. Are they toxic to my pets?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | spayed | 12 lbs

I have had millipedes coming into my home lately. My cats keep playing with them before I can get them out of the house. Are they poisonous to my girls?

1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on October 17th, 2017

I can't find any information that millipedes are poisonous. They don't bite, so that shouldn't be an issues. However, I have seen some very upset stomachs when pets eat too many insects, so I would try to prevent them from eating too many millipedes at once. Also, if you choose to kill the millipedes, make sure the poison you use is safe for use around cats, and the cats should not eat any millipedes after poison is put out.

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