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My dog died suddenly with white foam from nose. What happened?

Updated On September 23rd, 2025

Pet's info: Dog | Rottweiler | Female | spayed | 2 years and 1 month old | 66 lbs

My dog died suddenly this morning and when we found her, we saw that there was white foam coming out of her nose. What does this mean and what could have caused her death? Please could you help me with an answer. I am in so much shock as I spent the whole day with her yesterday and she seemed perfectly healthy and happy. Thank you

2 Answers

Most Helpful Answer

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Answered By Penelope Graben, DVM

Veterinarian

Published on September 26th, 2018

Hello, I am so sorry to hear of Indie's passing. Clear fluid coming from the nose is a common post-mortem event that likely did not have anything to do with her passing. It is possible she had respiratory disease that could have caused excessive nasal drainage though. A veterinarian could perform an autopsy and try to confirm a cause of death. Dogs can experience heart attacks and strokes as sudden causes of death, even in young age. I know unexpected loss can be very traumatic, but please do not blame yourself. Thanks for using Petco Pet Education Center, formerly Petcoach. I hope this is helpful.

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25Pet Parents found this answer helpful

Other Answers

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    Answered By Debi Matlack

    Veterinary Technician

    Published on

    I am so very sorry to hear this. If you want an answer to what happened, the best option is to take her to your vet for a necropsy. She may have eaten something toxic or been exposed to some kind of toxin, possibly a seizure for some reason, there's no way to know for sure. A necropsy might be able to give you these answers. Again, I am so sorry you lost Idie so young. You have my sincerest sympathies.

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    11Pet Parents found this answer helpful

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