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My dog sniffed boric acid, vomiting, and has bloody stool. Is he okay?

Updated On September 23rd, 2025

Pet's info: Dog | American Pit Bull Terrier | Male | unneutered | 4 months and 24 days old | 15 lbs

My dog sniffed boric acid last night.he had a drop of blood in his poop and he threw up.ive been giving him alot of water to flush his system.will he be ok

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1 Answer

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Answered By Kevin Sanada, DVM

Veterinarian

Published on February 25th, 2018

The vomiting is expected, but I'm surprised by the drop of blood, because this is not expected with Boric acid ingestion. It actually may be unrelated and is more likely due to some other issue causing inflammation in the rectum or anus. Boric acid does not cause any other toxicity, besides gastrointestinal irritation (vomiting and diarrhea), so I wouldn't expect him to have worsening signs of illness. I would recommend taking him to the vet if he has any of the following: 1) Vomiting for more than 24 hours 2) Very watery diarrhea 3) Starts acting very depressed 4) Stops eating or drinking for longer than 24 hours. 5) Diarrhea lasts longer than three days. 6) There continues to be blood in the stool after 24 hours. Unfortunately, there is nothing else that can be done at home for this besides ensuring he has plenty of water. I hope that helps and Mr. B gets better soon.

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