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My cat licked dry yeast. Is a small amount harmful or toxic?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 7.5 lbs

Hi, my cat licked some dry active yeast. I know yest is poisonous, but what amounts may cause damage? Thank you.

1 Answer

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on October 9th, 2017

You would need a relatively high amount of yeast to cause your cat a serious toxic effect, it is in fact the alcohol from the yeast that is problematic and can cause toxicity, if she just licked a little bit of yeast she is not likely to show any symptoms.

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19Pet Parents found this answer helpful

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