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My cat died suddenly with blood. Could the heater have killed her?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 11 years old

My 11 year old cat died last night she had her head pressing against our convection heater as she slept as she has always done. When I noticed she had died there was blood coming from her nose and mouth. She was an indoor cat. Could the heat of the heater on her head have killed her

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on March 4th, 2018

I am so sorry you lost Buffy! I think it’s unlikely that the heater was the cause of death - I would think you would see some kind of burn or hair loss externally if that was the case. Heart disease is one of the more common causes of sudden death in cats and can cause bloody fluid to quickly build up in the lungs and come out of the nose and mouth. Other possibilities would be kidney disease, blunt trauma or a clotting disorder. You could ask your vet about a necropsy (autopsy) which might reveal a cause of death.

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