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My West Highland Terrier ate chocolate. Is it toxic? What to do now?

Updated On September 23rd, 2025

Pet's info: Dog | West Highland White Terrier | Male | neutered

11 year old West Highland Terrier just ate 114g of Galaxy chocolate

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on December 26th, 2016

Poor Casper! It would help to know exactly how much he weighs, but calculating his dose of chocolate based on a 20 lb "guesstimate" since he's a Westie, this could be enough to cause signs of toxicity such as vomiting or diarrhea. It's unlikely to cause serious toxicity issues like cardiac arrhythmias, muscle tremors, seizures, or death, but could certainly make him feel sick for the next day or so. To be safe, it would be best to take him to the vet right away so that they can induce vomiting to help prevent any problems.

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