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My hamster has blood near her anus. What's wrong and what should I do?

Updated On September 23rd, 2025

Pet's info: Small Animal | Unknown - Small Animal | Female | 1 year old

I have a female Roborovski hamster, about 8-12 months old. Since about 4 months ago I started noticing blood on her bedding and toys & decided to check her underside. I noticed a large opening near her anus/genital area, pale pink in color (sometimes with large balls of feces stuck in the middle and blood around it.) She eats and drinks well, and lives in quality housing: Unscented Kaytee paper bedding, 450 sq in cage, 7 in flying saucer, fresh food/water, variety of toys. What should I do?

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1 Answer

Most Helpful Answer

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Answered By Mariya Gugel, DVM

Veterinarian

Published on March 21st, 2018

I can see that Kiwi has what appears to be a dilated anus. This can be associated with a rectal prolapse, when a portion of the rectum everts to the outside. Parasites, high fiber diets, and increased abdominal pressure can cause this. I recommend having Kiwi seen by a vet as soon as possible, as this condition is likely uncomfortable for Kiwi. In the meantime, I recommend making sure she has plenty of soft, moistened food and monitoring her for signs such as hunched posture and weight loss. I hope this helps and that all is well!

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