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My 80lb dog ate a quarter red onion from the trash. Should I worry?

Updated On September 23rd, 2025

Pet's info: Dog | Cane Corso | Male | unneutered | 8 months and 12 days old | 70 lbs

My 80 lb cane corso and a quarter of a red onion that was in the trash what should i do ?

1 Answer

Most Helpful Answer

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Answered By Lauren Jones VMD

Veterinarian

Published on January 24th, 2022

You are correct in that onions (and garlic) are toxic to dogs. The good news for Glock is that the degree of toxicity is related to his weight and the amount of onion he consumed. Average onions weigh anywhere between 70-150 grams and can pose toxicity concerns if 15 grams of onion per kilogram of body weight are consumed. Glock would need to ingest around 545 grams of onion to cause the red blood cell concerns associated with onion toxicity. Long story short, you don’t need to do anything or worry!

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