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My dog swallowed floss. What symptoms should I watch for and for how long?

Updated On September 23rd, 2025

What is the timeframe that I need to monitor my dog after ingesting floss?

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on April 1st, 2019

Hello. It is difficult to say if & when the floss may pass. In general, things transit the gut of dogs in about 18 hours, but floss can potentially get hung up somewhere. If this just happened, you vet may be able to retrieve the floss with an endoscope. If it has been many hours, I would feed your dog 2 pieces of bread slathered with Vaseline. Feed him a piece at a time. This will bulk up & lubricate any ingesta hopefully moving the floss along. In total, just monitor him over the next 3-5 days for any signs of inappetence, bloating, vomiting or belly pain. Hope all is well in the end & thanks for using Petco Pet Education Center, formerly Petcoach.

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