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How dangerous is it if my dog swallowed a small amount of lime sulfur?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | unspayed | 7 years and 3 months old | 98 lbs

IF a small amount swallowed, how dangerous can lime sulphur be to a dog

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on June 22nd, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Usually, if just a small amount is ingested, it is not considered dangerously toxic especially if it is ingested by a large dog. However, in some cases it may cause irritation, nausea, vomiting and in rare occasions also gastrointestinal ulcers. You can continue to monitor Bella and if you notice any nausea, vomiting, inappetence or blood in the feces or vomit, have her evaluated by a veterinarian for further assessment and treatment. Good luck and have a great day!

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