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My dog died suddenly after a rash. Was it old age or an illness?

Updated On September 23rd, 2025

Pet's info: Dog | Border Collie | Female | spayed | 10 years and 5 months old

I took my dog to the vet recently as she was panting and crying a lot where they said she was fine. 2 days later there appeared a blood clot type rash on her belly (Friday night) and she died on the Sunday morning so I had no time for any blood tests, she was a border collie and 10 and a half years old. Would this be something that ended her life or would it most likely be of old age? Thank you, Chris.

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1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on July 23rd, 2018

First off, I'm so sorry you recently lost Meg! How horrible for you, please accept my condolences for your loss. Old age isn't a disease, and based on your description of her symptoms, I would say something was definitely wrong that could have ended her life even with treatment. From the picture, it appears she could have petechiae, which are small, pinpoint spots on the skin and mucus membranes. That can be caused by rat poison (something toxic), trauma, heat stroke, infectious diseases, DIC, or bone marrow cancers to name some of them. Without seeing her in person, I can't say for certain, but you could request a necropsy (an autopsy for pets) is done to determine the cause of her again. I hope this helps Chris, and again I'm sorry for your loss.

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