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How much mercury is considered a toxic or dangerous amount for my dog?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 2 years and 6 months old | 50 lbs

How much mercury does a dog need to ingest to be harmful to them?

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on January 1st, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! I am not sure what is going on with Chevy and what he could have eaten to make you worried about Mercury poisoning. This is rare and all I could find was this in the Merck Veterinary manual: In most species, blood, kidney, brain, and feed concentrations of mercury <0.1 mg/kg (wet weight) are considered normal. In poisoned species, concentrations >6 mg/kg (blood), 10 mg/kg (kidney), 0.5 mg/kg (brain), and 4 mg/kg (feed, dry weight) are consistent with a diagnosis of mercury poisoning. I suggest that you call the ASPCA poison control line with the amount of product eaten and Chevy's weight. They can tell you if what he ate is in the toxic range. There is a $65 fee. The number is 1-888-426-4435. I hope this helps and I wish Chevy the best!

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