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My mouse is 2 years old, balding, and weak. Is it time to say goodbye?

Updated On September 23rd, 2025

Pet's info: Other | Unknown - Other | Female | unspayed | 1 year and 10 months old

I think my mouse has reached her end of years. She is about 2 years old and 1 month, which I've been told mice start to age and pass on around that mile marker. She's begun to bald and thin, she just lays there sometimes in the cage with her sisters seemingly unresponsive. Should I get her put down?

1 Answer

Most Helpful Answer

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Answered By Tomasz Wnuk

Veterinarian

Published on October 2nd, 2017

Poor Toot. It sounds that she is not very well at the moment. Decision on euthanasia is very hard but animal's walfare must always come first. Assessing walfare in small pet, like Toot may not be straight forward. Weight loss and poor coat are often signs of ageing in mice but it is not necessary a sign of suffering. Signs of high concerns in older mice are poor appetite, lethargy, weakness, often problems with breathing or walking. In my opionion, you should take Toot to your local vet for a check. Some abdominal or skin tumors can be found during clinical examination, which can direct further decisions. Your vet will be able to help you to establish if your little mouse has still good quality of life or not.

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