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My dog ate black walnut, now vomiting and has more worms. What to do?

Updated on September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | unneutered | 80 lbs

I gave my dog black walnut and a day later he has had double the worms in his stool and has vommited, Is this good or bad please help!

1 Answer

Most Helpful Answer

Sara Farmer, DVM

Answered By Sara Farmer, DVM

Veterinarian

Published on November 17th, 2019

I think it's a sign that Rocky has worms, which is not exactly good! While the black walnut may have led to you seeing the worms in the stool it is not a dewormer and there are likely worms left in Rocky's gastrointestinal tract. It would be best to have Rocky's stool tested by your vet to determine what type of worms are present and recommend treatment. You could also try a broad spectrum dewormer that contains fenbendazole but it might not cover some worms.
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