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My cat ate hot chocolate. How long to watch for poisoning symptoms?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 10 years and 6 months old | 15 lbs

My cat ingested a laps of swiss miss marshmallow hot chocolate last night around 9pm-ish. Its 7:30 am now. I haven't seen him display any of the main symptoms of chocolate poisoning (the ones I am able to see personally) as yet. How long does it take for the symptoms to show up and how long should he be monitored? How long before we are in the clear? Thank you!

2 Answers

Most Helpful Answer

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Answered By Dr. Andrea

Veterinarian

Published on March 3rd, 2019

Your kitty should be just fine! You are a great pet parent to be worried, but there is not that much chocolate in that type of cocoa. He could have loose stool from the sugar and milk, but that's it. If they have a lot of actual cocoa or chocolate, the symptoms come on pretty quickly... like minutes to an hour. Your kitty should be ok.

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20Pet Parents found this answer helpful

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    Answered By Kevin Sanada, DVM

    Veterinarian

    Published on February 1st, 2018

    It's difficult to know how much the actual cocoa content is in this, but it doesn't sound like enough to be toxic. It depends on the concentration of the cocoa though. In order for you to determine the potential for toxicity, I recommend you estimate the amount of cocoa they could have drank and use the chocolate toxicity calculator at this link: http://veterinaryclinic.com/chocolate/calc.html Signs of chocolate toxicity can be vomiting, hyper-excitability, tremors and seizures. If you notice any of these signs, then it's best to them to a vet for treatment/monitoring. Unfortunately, there is not much that can be done at home for this. It's best to make sure they have plenty of water and that you check them every four hours for any signs of toxicity. If are fine within 12 hours, then I would not worry about them having any signs of toxicity. I hope that helps and all is well with the kitties.

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