Posted: September 28, 2014, 3:30 p.m. EDT
If a mouse seems to have a problem with his or her sides toward the rear, it might be due to trauma to the hip or femur.
Q: I have five mice and today I noticed that one of them (a female fancy mouse) squeaks every time someone even lightly touches her sides closer to her tail. All my mice are female, so I know she’s not pregnant. I have her in a small cage away from the other mice so they do not hurt her on accident. I am looking for a veterinarian who will treat mice in my area, but until then is there any advice you have for me to help my mouse? She is a beloved pet and is missed greatly by one of my other mice who would like her friend back with her.
A: It is possible that your mouse was accidentally injured by another mouse in the cage or possibly hurt herself on something in the cage, such as an exercise wheel. If there is an injury, it could be as minor as some soft tissue bruising that will heal on its own in a few days. More severe injuries, such as trauma to boney structures, obviously, need professional medical attention.
In the anatomical area that you mention, I would be concerned with boney structures such as the hip and femur.
Another reason for the squeaking noise might be behavioral. If, for some reason, this mouse has become territorial or is being picked on by other mice, her response could be to "squeak” as a warning to others to "leave me alone or the next time you touch me, I won’t squeak at you, I’ll bite you.” It may be difficult to tell on your own whether this is behavioral or medical. If you want to be sure this is not a medical problem, take your mouse to a veterinarian as you are planning to do.
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