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Question:

What Rigor mortis can tell me about my cat's passing away?

I'm really struggling right now and could really use some advice from those who might have been through a similar situation. I found my cat, Misty, who was like my little shadow, yesterday morning, and she had already passed. It's been really tough trying to process everything, especially because it was so sudden. I noticed her body was stiff, and after doing some frantic googling, I came across the term "rigor mortis." I'm trying to understand how this might give me any clues about when she passed. I can't stop thinking about whether she suffered or if there’s anything I could’ve done. It’s a surreal and gut-wrenching experience, and I feel so lost right now. Any insights or experiences you could share would be immensely appreciated. Thank you.

Answer:

I'm truly sorry to hear about your cat's passing. It's always difficult to lose a beloved pet. Rigor mortis, which is the stiffening of muscles after death, can provide some insight into the time frame of when your cat passed away. It typically begins a few hours after death and can persist for up to 72 hours. The stiffening starts as the body's processes come to a halt, causing muscles to lock in place.



Rigor mortis alone doesn’t explain the cause of death but can help you understand the timing. It's also important to consider your cat's recent health and behavior changes that might have led up to the passing.



While there's not much you can do at home regarding rigor mortis itself, ensuring your pet's environment is peaceful during this time can be emotionally soothing.



Keep a lookout for any signs that could indicate a serious issue, like sudden unexplained symptoms before passing or known exposure to toxins. These details can be crucial if you are considering having a necropsy done to find out more about the cause of death.



Feel free to book a video consult with a Dial A Vet professional if you’re seeking more insights or need support during this time. It's natural to have questions, and we're here to help you through this emotional period.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 21, 2025

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The "Ask a Vet" forum on Dial A Vet offers general information and helpful tips on pet health, but it's not a substitute for professional veterinary care. The advice here doesn't create a veterinarian-client-patient relationship, and our vets can't diagnose or treat your pet remotely. For emergencies or specific medical concerns, always contact your local veterinarian immediately. Your pet's health is unique, and decisions should only be made after consulting with a qualified professional. By using this forum, you acknowledge these limitations and agree to seek in-person veterinary advice for all your pet's health needs. View our content guidelines.
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