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Why can't dogs process caffeine and theobromine like humans?

Updated On September 23rd, 2025

Why can't dogs metabolize caffeine and theobromine?

1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 23rd, 2019

Dogs process theobromine much slower than humans, leading it to build up to toxic levels in their system. Dogs are very sensitive to caffeine. With caffeine, it takes 30 minutes to an hour to reach peak concentrations in their bloodstream and cause signs of clinical toxicity.

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