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Why is my dog foaming after chasing a frog and acting so lazy?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Female | 2 months and 1 day old | 21 lbs

My dog was chasing a frog,I don't know what has happened and foam start coming out and he become so lazy.

1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 7th, 2017

Many frogs have a bitter toxin on their skin. When a dog touches it with their mouth, they foam trying to get the toxin off. Flush your dog's mouth copiously with water in an attempt to wash off the toxin. Sometimes, the toxin can absorb and cause other issues, like lethargy, vomiting, diarrhea, dilated pupils, etc. If you see these symptoms in Brownie, she should see the vet as soon as possible.

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