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Why did my healthy rabbit suddenly die? What caused her passing?

Updated On September 23rd, 2025

Pet's info: Small Animal | Rabbit | Female | unspayed | 2 lbs

I had a holland lop named qtip I went into my room and found her under my bed in the dark corner so I gave her love in a different room. She sat there didn’t move or run she didn’t smell anything or blink but I didn’t think anything of it she was usually calm I noticed her head started to tilt to one side and her heartbeat was slow and then she passed. She was happy, eating and drinking just fine. I just want to know what could be the cause? I have another bunny and I’m scared for him. ):

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1 Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on December 26th, 2017

I am so sorry for the loss of Q-tip. Sometimes these things are just out of our control. You do not say how old she was, but unspayed rabbits are prone to develop cancer in their uterus. It would take an extensive conversation about diet, environmental conditions, possible traumas, ingestion of foreign substances, etc., to even begin to try & narrow the possible causes of her death. If you are worried about your other rabbit, then the best you can do for him is to have a thorough examination by an experienced veterinarian who can discuss all aspects of rabbit care with you, check for parasites, look in his mouth for dental/oral problems, & possibly do some bloodwork ( often not necessary ). Sudden & unexpected deaths are very concerning but do not mean you did anything wrong. But, at this point, only a necropsy could demonstrate cause. Thank you.

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