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My dog drank drain cleaner water from a backed-up tub. Is he okay?

Updated On September 23rd, 2025

Pet's info: Dog | Great Pyrenees | Male | 1 year and 2 months old | 96 lbs

early this morning we put drain cleaner down our drain we ran water down it multiple times and it would sit but eventually drain.. at around 9 or 10 I ran water down it again and noticed the toilet was backing up and tried to plunge the toilet and the water ended up coming back through my bathtub drain.. my dog drank some of that water about 1 hr ago.. I gave him some milk just in case and looked in his mouth for burns.. he seems to be breathing and acting normally..

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on December 30th, 2017

There was not likely enough of the chemicals in the water at that point to cause any poison problems. It can however cause vomiting and diarrhea over the next few days, so I would monitor for that. I would keep his food and routine the same

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